Lot 0189

ANDY WARHOL (AMERICAN, 1928-1987)

Similar Sale History

View More Items in Paintings

Sold

Andy Warhol (American, 1928-1987) - Acrylic on Canvas: This lot consists of a framed acrylic on canvas done in the Pop Art style of Andy Warhol (American, 1928-1987). Hand inscription in ink at bottom. This modern art image depicts Judy Garland as Dorothy

2021Andy Warhol (American, 1928-1987) - Acrylic on CanvasSee Sold Price

Sold

Andy Warhol American (Mixed Media on Canvas Painting) style of: Beautiful Queen Elizabeth Acrylic on Canvas painting Rendered in the style of Andy Warhol. Technique:Mixed Media on Canvas Painting. Measures: 27 x 22 Inches. Provenance: Private Collection New York.

2023Andy Warhol American (Mixed Media on Canvas Painting) style ofSee Sold Price

Sold

Andy Warhol American 1928-1987 Marilyn Monroe Acrylic on canvas Painting Pop Art Era: A stunning hand-painted piece of art with dimensions measuring 24 x 20 inches. Executed with acrylic on canvas technique, this artwork originates from a Private Collection in New York and is elegantly

2023Andy Warhol American 1928-1987 Marilyn Monroe Acrylic on canvas Painting Pop Art EraSee Sold Price

Sold

Andy Warhol American 1928-1987 Acrylic on Canvas Painting Keith Haring Lichtenstein Pop Art Era: An acrylic painting on canvas featuring a blue frog set against a brown background. The artwork measures 24 x 20 inches and is included in a private collection in the USA. It is encased in a frame. Th

2024Andy Warhol American 1928-1987 Acrylic on Canvas Painting Keith Haring Lichtenstein Pop Art EraSee Sold Price

Sold

Andy Warhol American ( Queen Elizabeth / Acrylic on canvas Painting ): Beautiful Piece of art Hand Painted. Measures: 27 x 23 Inches. Provenance: Private Collection New York Artist Estate stamp. .Technique: Acrylic on canvas Painting .The painting is framed. Lived betwee

2023Andy Warhol American ( Queen Elizabeth / Acrylic on canvas Painting )See Sold Price

Sold

Andy Warhol American 1928-1987 ( Queen Elizabeth Acrylic on canvas Painting ): Beautiful Piece of art Hand Painted. Measures: 24 x 20 Inches. Provenance: Private Collection New York Artist Estate stamp. .Technique: Acrylic on canvas Painting .The painting is framed. Lived betwee

2023Andy Warhol American 1928-1987 ( Queen Elizabeth Acrylic on canvas Painting )See Sold Price

Sold

2023Andy Warhol American 1928-1987 ( Queen Elizabeth Acrylic on canvas Painting )See Sold Price

Sold

Andy Warhol American 1928-1987 Queen Beatrix Acrylic on Canvas Painting Pop Art Era: A lively acrylic on canvas artwork showcases an iconic portrayal of Queen Beatrix. With dimensions of 24 x 20 inches, this enthralling piece comes with a rich history, originating from a private colle

2024Andy Warhol American 1928-1987 Queen Beatrix Acrylic on Canvas Painting Pop Art EraSee Sold Price

Sold

2023Andy Warhol American 1928-1987 ( Queen Elizabeth Acrylic on canvas Painting )See Sold Price

Sold

Andy Warhol American ( Acrylic on canvas Painting ): Beautiful Piece of art Hand Painted. Measures: 23 x 27 Inches. Provenance: Private Collection New York Artist Estate stamp. .Technique: Acrylic on canvas Painting .The painting is framed. Lived betwee

2023Andy Warhol American ( Acrylic on canvas Painting )See Sold Price

Sold

Andy Warhol American 1928-1987 Acrylic on Canvas Painting Basquiat Haring Pop Art Era: This acrylic on canvas depicts a majestic great egret bird against a vibrant background. Measuring 24 x 20 inches, it is currently part of a private collection. Created with exceptional skill and expe

2024Andy Warhol American 1928-1987 Acrylic on Canvas Painting Basquiat Haring Pop Art EraSee Sold Price

Sold

Andy Warhol American 1928 - 1987 ( Sunflower Gouache on Paper Painting) style of: Beautiful Gouache on Paper painting Rendered in the style of Andy Warhol. Technique:Gouache on Paper Painting. Measures: 16 x 14 1/2 Inches. Provenance: Private Collection New York Acquired directly f

2023Andy Warhol American 1928 - 1987 ( Sunflower Gouache on Paper Painting) style ofSee Sold Price

Sold

Andy Warhol (American, 1928-1987) -- Hand Drawn / Hand: This lot consists of a hand drawn Ink and Watercolor drawing on paper, hand signed "Andy Warhol" in ink at top left. Image depicts a two-toned ladies pump with a soaring heel and small button. Hand In

2018Andy Warhol (American, 1928-1987) -- Hand Drawn / HandSee Sold Price

Sold

Andy Warhol American 1928-1987 ( Acrylic on canvas Painting ): Beautiful Piece of art Hand Painted. Measures: 24 x 20 Inches. Provenance: Private Collection New York Artist Estate stamp. .Technique: Acrylic on canvas Painting .The painting is framed. Lived betwee

2023Andy Warhol American 1928-1987 ( Acrylic on canvas Painting )See Sold Price

Sold

Andy Warhol American 1928-1987 Gouache on Paper Painting Haring Pop Art Era: This gouache on paper artwork depicts a wild pig against a colorful backdrop, predominantly featuring pink, black, and red hues. Measuring 13.5 x 18 inches, this captivating piece holds an intriguing

2023Andy Warhol American 1928-1987 Gouache on Paper Painting Haring Pop Art EraSee Sold Price

Sold

2020Andy Warhol (American, 1928-1987) - Acrylic on CanvasSee Sold Price

Related Paintings

Andy Warhol (American, 1928-1987) Photo Negative for Screenprint, 1967, "Spectre of Andy Warhol", H: Andy Warhol (American, 1928-1987) Photo Negative for Screenprint, 1967, "Spectre of Andy Warhol", H 9.75" W 10" | Framed H 11.25", W 11.25". Provenance: The Artist; George R. Francoeur (1960 Design al

Jun 14, 2024Andy Warhol (American, 1928-1987) Photo Negative for Screenprint, 1967, "Spectre of Andy Warhol", H

$1,500

Andy Warhol American 1928-1987 Acrylic on Canvas Painting in the style of.Basquiat Pop Art Era: In this vibrant pop-style acrylic on canvas painting, four bold and stylized flowers take center stage against a backdrop of vibrant orange. Measuring 20 by 18 inches, the artwork is tastefully framed

3 days LeftAndy Warhol American 1928-1987 Acrylic on Canvas Painting in the style of.Basquiat Pop Art Era

$500

Acrylic on paper signed Andy Warhol American Pop Art Marilyn Monroe painting: Acrylic on paper, painting. From a private collection. 8 x 8,1 in. (20,4 x 20,7 cm). Andy Warhol (1928-1987, American). It is being sold in the manner or style of the artist. The painting depicts Mari

Jun 25, 2024Acrylic on paper signed Andy Warhol American Pop Art Marilyn Monroe painting

€800

After Andy Warhol (American, 1928 - 1987), Mao 1972 (Green), unsigned, oil on canvas, 100 x 100 cm,

£180

Andy Warhol Queen Elizabeth Ii 1985 Reigning Queens Rare Invitation: Artist: Andy Warhol (American, 1928 - 1987) Title: "Reigning Queens [invitation]" Medium: Color offset lithograph Date: Composed 1985 Dimensions: Overall size: 7 1/4 x 13 3/4 in. (184 x 349 mm). Image

4 days LeftAndy Warhol Queen Elizabeth Ii 1985 Reigning Queens Rare Invitation

$200

Andy Warhol 'Martin Buber (F. & S. Ii.228)' Signed From Ten Portraits Of Jews: Description Andy Warhol (American, 1928 - 1987) 'Martin Buber (F. & S. II.228)' [announcement/invitation]" Color offset lithograph Year- 1980 Signed in black marker Cream smooth wove paper. The full s

4 days LeftAndy Warhol 'Martin Buber (F. & S. Ii.228)' Signed From Ten Portraits Of Jews

$700

Andy Warhol after American Pop Art acrylic on cardboard Mickey Mouse painting: Acrylic on cardboard, painting. From a private collection. 8,5 x 9,8 in. (21,7 x 25 cm). Andy Warhol (1928-1987, American). It is being sold in the manner or style of the artist. The painting depicts

Jun 25, 2024Andy Warhol after American Pop Art acrylic on cardboard Mickey Mouse painting

€700

Andy Warhol after American Pop Art acrylic on paper Mouse: Acrylic on paper, painting. From a private collection. 7,9 x 10,4 in. (20,1 x 26,5 cm). Andy Warhol (1928-1987, American). It is being sold in the manner or style of the artist. Featuring a compositio

Jun 25, 2024Andy Warhol after American Pop Art acrylic on paper Mouse

€800

ANDY WARHOL & JEAN MICHEL BASQUIAT OIL/CANVAS: Attributed to Andy Warhol and Jean Michel Basquiat, no coa, private collection, medium: oil, measurements: 28"HX41"W framed, good condition Biography: Andy Warhol was an American visual artist, film d

4 days LeftANDY WARHOL & JEAN MICHEL BASQUIAT OIL/CANVAS

$400

ANDY WARHOL POP ART PAINTING OIL ON PAPER: Attributed to Andy Warhol, no coa, private collection, medium: oil, measurements: 44"HX33"W framed, good condition Biography: Andy Warhol was an American visual artist, film director and producer. A l

4 days LeftANDY WARHOL POP ART PAINTING OIL ON PAPER

$300

ANDY WORHOL ORIGINAL PORTRAIT PAINTING AFTER: 180036 ANDY WORHOL ORIGINAL PORTRAIT PAINTING AFTER Andy Warhol (1928-1987, American) original oil woman with a hat painting in the manner of. This is an original oil painting created by an unknown ar

Jun 08, 2024ANDY WORHOL ORIGINAL PORTRAIT PAINTING AFTER

$10

ANDY WARHOL ORIGINAL PORTRAIT PAINTING AFTER: 180035 ANDY WARHOL ORIGINAL PORTRAIT PAINTING AFTER Andy Warhol (1928-1987, American) original oil woman with a hat painting in the manner of. This is an original oil painting created by an unknown ar

Jun 08, 2024ANDY WARHOL ORIGINAL PORTRAIT PAINTING AFTER

$10

ANDY WARHOL - OIL ON CANVAS - IN THE STYLE OF: Andy Warhol oil on canvas. Orange Cow. Andrew Warhol, commonly known as Andy Warhol, was an American artist and actor who played a crucial role in the birth and development of pop art Measurement: 40

Jun 11, 2024ANDY WARHOL - OIL ON CANVAS - IN THE STYLE OF

€800

ANDY WARHOL - OIL ON CANVAS - IN THE STYLE OF: Andy Warhol oil on canvas. Light Pink Cow. Andrew Warhol, commonly known as Andy Warhol, was an American artist and actor who played a crucial role in the birth and development of pop art Measurement:

Jun 11, 2024ANDY WARHOL - OIL ON CANVAS - IN THE STYLE OF

€800

ANDY WARHOL - 3 FINE WATERCOLORS - IN THE STYLE OF: Andy Warhol - Set of 3 Watercolors on paper Andrew Warhol, commonly known as Andy Warhol, was an American artist and actor who played a crucial role in the birth and development of pop art Measurement

Jun 11, 2024ANDY WARHOL - 3 FINE WATERCOLORS - IN THE STYLE OF

€400

ANDY WARHOL - 3 WATERCOLORS - IN THE STYLE OF: 3 Watercolors by Andy Warhol (1928 - 1987). An appraisal certificate accompanies this piece. Andy Warhol was an American artist and actor who played a crucial role in the birth and development of pop

Jun 11, 2024ANDY WARHOL - 3 WATERCOLORS - IN THE STYLE OF

€480

More Items in Contemporary Paintings

2002 "The Tease" Oil on Board by Bob Whitesitt: 2002 "The Tease" Oil on Board by Bob Whitesitt. Bob Whitesitt is an American Postwar & Contemporary artist. This art depicts a beautiful topless woman with flowing hair and gorgeous smile. The art is

Jul 07, 20242002 "The Tease" Oil on Board by Bob Whitesitt

$80

Thomas Pradzynski Boulangerie Acrylic on Canvas: Thomas Pradzynski (Polish, 1951-2007), Boulangerie, Acrylic on Canvas, signed lower right, labeled to verso. 16" H x 12" W. Provenance: From a New York City Collection. Keywords: Contemporary Art, Pai

Jun 09, 2024Thomas Pradzynski Boulangerie Acrylic on Canvas

$100

James Massena March (American, 1953-2021): James Massena March (American, 1953-2021) Untitled, Acrylic on canvas, Signed on label on verso. H: 36 W: 48 in. From the Estate of James Massena March.

10 hrs LeftJames Massena March (American, 1953-2021)

$150

Charles Clinton Pitcher (American, 1927-2009): Charles Clinton Pitcher (American, 1927-2009) A Maple Grove, 2006, Watercolor, Signed and dated 06 lower right. Framed dimensions: H: 40 x W: 47 1/4 in. H: 31 1/2 W: 39 in.

10 hrs LeftCharles Clinton Pitcher (American, 1927-2009)

$1,000

MODERN JAPANESE PAINTING HAT ATTR YAYOI KUSAMA: An oil painting on canvas depicting a hat and attributed to Yayoi Kusama, Japanese, born 1929. Signed to the back. Framed. Yayoi Kusama is a contemporary artist who works primarily in sculpture and in

3 days LeftMODERN JAPANESE PAINTING HAT ATTR YAYOI KUSAMA

$80

Illegibly Signed Portrait of a Man Oil on Canvas: Portrait of a Man, Oil on Canvas, late 20th century, illegibly signed to verso. Image: 9" H x 9" W; frame: 10.75" H x 10.75" W. Keywords: Painting, Realist, Realism, Contemporary Art, Portraiture, Pur

Jun 05, 2024Illegibly Signed Portrait of a Man Oil on Canvas

$100

James Massena March (American, 1953-2021): James Massena March (American, 1953-2021) Untitled, Acrylic on canvas, Signed lower left. H: 46 W: 64 in. From the Estate of James Massena March.

10 hrs LeftJames Massena March (American, 1953-2021)

$200

Charles Clinton Pitcher (American, 1927-2009): Charles Clinton Pitcher (American, 1927-2009) Forest, 2001, Watercolor, Signed and dated 01 lower left Framed dimensions: H: 16 x W: 20 1/2 in. H: 8 1/2 W: 13 in.

10 hrs LeftCharles Clinton Pitcher (American, 1927-2009)

$110

Lowell Ellsworth Smith (American, 1924-2008): Lowell Ellsworth Smith (American, 1924-2008) House with Figures, Watercolor, Signed lower right. Framed dimensions: H: 18 1/4 x W: 22 1/4 in. H: 10 W: 14 in.

10 hrs LeftLowell Ellsworth Smith (American, 1924-2008)

$200

James Massena March (American, 1953-2021): James Massena March (American, 1953-2021) Space Junk Ballet, Oil on canvas, Signed lower left. Signed and titled on verso. H: 48 W: 60 in. From the Estate of James Massena March.

10 hrs LeftJames Massena March (American, 1953-2021)

$200

Slade Graves (American, b. 1953): Slade Graves (American, b. 1953) The Die is Cast, Mixed media on masonite, Signed and dated 98 lower right. The painting has a heavy mahogany frame. It is not currently attached to the frame . Frames

10 hrs LeftSlade Graves (American, b. 1953)

$150

Greg Russell (American, b. 1958): Greg Russell (American, b. 1958) Untitled, Acrylic on board, Signed on verso. H: 48 W: 48 in. From the artist.

10 hrs LeftGreg Russell (American, b. 1958)

$200

James Massena March (American, 1953-2021): James Massena March (American, 1953-2021) Untitled, Acrylic on canvas, Signed lower left. H: 44 W: 72 in. From the Estate of James Massena March.

10 hrs LeftJames Massena March (American, 1953-2021)

$250

Lowell Ellsworth Smith (American, 1924-2008): Lowell Ellsworth Smith (American, 1924-2008) Market Scene with Figures and Church, Watercolor, Signed lower right. Framed dimensions: H: 16 1/4 x W: 19 1/4 in. H: 7 W: 10 in.

10 hrs LeftLowell Ellsworth Smith (American, 1924-2008)

$100

Signed Leszek Piasecki Oil On Panel Painting: Signed Leszek Piasecki Oil On Panel Painting Leszek Piasecki was a renowned Polish Postwar & Contemporary painter, born in 1928 in Lvov, which was then part of Poland and is now in Ukraine. His ar

4 days LeftSigned Leszek Piasecki Oil On Panel Painting

$300

MODERNIST GILT PAINTING FRAME: A contemporary painting frame in a traditional gilt design. Measures: 12 1/2" x 14 1/2" Rabbet: 8" x 10"

Jun 11, 2024MODERNIST GILT PAINTING FRAME

$20

Recommended Art

[SEX] LOT OF 9 PHOTOGRAPHS SOLD TOGETHER: [SEX] A lot of 9 photographs sold together. Some postcards. One mounted with plastic corners in archival mat. Prints: 4.5" x 3" - 6" x 4". Generally good condition, various imperfections. *Additional

10 hrs Left[SEX] LOT OF 9 PHOTOGRAPHS SOLD TOGETHER

$100

Egidius Linnig (Belgium,1821-1860) oil painting antique: ARTIST: Egidius Linnig (Belgian, 1821 - 1860) TITLE: Shipwreck Scene YEAR: 1851 MEDIUM: oil on canvas CONDITION: Few minor paint losses. Some craquelure. Few minor scattered inpaintings (biggest 1/4"

Jun 16, 2024Egidius Linnig (Belgium,1821-1860) oil painting antique

$1,250

Emilio Grau-Sala "Sur la Plage" Oil on Canvas: Emilio Grau-Sala (Spanish, 1911-1975), "Sur la Plage" [On The Beach], Oil on Canvas, 1958, signed "Grau Sala" lower right, signed, inscribed "Trouville", dated, and titled to verso. Image: 21.5" H x 2

Jun 09, 2024Emilio Grau-Sala "Sur la Plage" Oil on Canvas

$11,000

Andre Gisson (French,NY,CT,1921-2003) oil painting: ARTIST: Andre Gittelson Gisson (New York, Connecticut, France, 1921 - 2003) TITLE: Bathing Nudes MEDIUM: oil on canvas CONDITION: Minor scratches/paint losses. No visible inpaint under UV light. Norma

4 days LeftAndre Gisson (French,NY,CT,1921-2003) oil painting

$140

Andy Warhol Screenprint with Diamond Dust Mickey Mouse 1981: Andy Warhol Mickey Mouse. Screenprint and Colophon with Diamond Dust. 1981. 38x38 inches approx. This unsigned working trial proof was made outside the regular edition during the process of image deve

3 days LeftAndy Warhol Screenprint with Diamond Dust Mickey Mouse 1981

$2,100

Laszlo Neogrady (Hungary,1896-1962) oil painting: ARTIST: Laszlo Neogrady (Hungarian, 1896 - 1962) TITLE: Winter Stream Landscape MEDIUM: oil on canvas CONDITION: Overall good. No visible inpaint under UV light. ART SIZE: 24 x 30 inches / 60 x 76 cm

Jun 16, 2024Laszlo Neogrady (Hungary,1896-1962) oil painting

$700

Salvador Dali Celestial Elephant Limited Edition after Dali: Salvador Dali Celestial Elephant Limited Edition after Dali The signature is in the plate Custom framed and includes certificate

3 days LeftSalvador Dali Celestial Elephant Limited Edition after Dali

$100

Claude Monet French 1840 - 1926 Oil on canvas Painting in the style of Renoir Manet Pissarro Era.: In this impressionist oil on canvas painting, a serene mountain landscape is enveloped by lush vegetation, with a gently flowing river meandering through the scene. Measuring 20 by 24 inches, the artw

3 days LeftClaude Monet French 1840 - 1926 Oil on canvas Painting in the style of Renoir Manet Pissarro Era.

$1,200

N.C. WYETH OIL ON CANVAS: Newell Convers (N.C.) Wyeth (1882-1945, PA) oil on canvas Impressionist summer landscape with tree and figures on a hill, signed lower right. Provenance: Property of a Main Line Lady15.5" x 19.5" ss /

2 days LeftN.C. WYETH OIL ON CANVAS

$10,000

European Oil on Canvas Painting, signed: European Oil on Canvas Painting, signed. 12 1/2 x 14 1/4 x 3 1/4 in framed. 5 x 7 in unframed.Local Pick up call one day before to make an appointment. TO SHIP THIS ITEM IN USA OR INTERNATIONAL, PLEAS

1 day LeftEuropean Oil on Canvas Painting, signed

$200

Henri Carpentero (Belgian,1820-1874) oil painting antique: ARTIST: Henri Joseph Gommarus Carpentero (Belgium, 1820 - 1874) TITLE: Interior Scene with Two Ladies and Dog YEAR: 1867 MEDIUM: oil on board CONDITION: Few very minor paint losses. Few scattered mino

4 days LeftHenri Carpentero (Belgian,1820-1874) oil painting antique

$260

A Baule Figure, "waka sona" ("blolo-bla"): Weibliche Figur, "waka sona" ("blolo-bla") Baule, Côte d’Ivoire Mit Sockel / with base Holz, Glasperlen. H 36 cm. Provenienz: - Loudmer Auktion, Paris, 29.05.1970. Lot 387. - Galerie Khepri

11 hrs LeftA Baule Figure, "waka sona" ("blolo-bla")

CHF 1,200

Emmi Whitehorse (Native American / Dine, b. 1957) "Rincon Marquez", Series May 1987, #627: Emmi Whitehorse (Native American / Dine, b. 1957) "Rincon Marquez", Series May 1987, #627Mixed media on paper mounted on canvas. Signed (lower right). Signed and titled (on reverse).38 x 50 in. Proven

1 day LeftEmmi Whitehorse (Native American / Dine, b. 1957) "Rincon Marquez", Series May 1987, #627

$33,000

Robert Waltsak (NJ,b 1944) oil painting: ARTIST: Robert Alan Waltsak (New Jersey, born 1944) TITLE: Seascape with Sailing Yachts MEDIUM: oil on canvas board CONDITION: Very good. No visible inpaint under UV light. ART SIZE: 18 x 24 inches /

4 days LeftRobert Waltsak (NJ,b 1944) oil painting

$400

ATTRIB Jean Francois de Troy (France,Italy,1679-1752) oil painting antique: ARTIST: ATTRIBUTED TO Jean Francois de Troy (French, Italian, 1679 - 1752) TITLE: Courtyard Scene MEDIUM: oil on canvas CONDITION: Few minor paint losses. Minor craquelure. Some small scattered inpain

4 days LeftATTRIB Jean Francois de Troy (France,Italy,1679-1752) oil painting antique

$1,250

Antique 19C American oil painting: ARTIST: - (American, 19 century) TITLE: Seascape with Sailing Boats MEDIUM: oil on canvas CONDITION: Few patches. Some flaking/paint losses. Some craquelure. Some scattered inpaintings. Minor damages

4 days LeftAntique 19C American oil painting

$280

Item Details

Description

Andy Warhol
American, 1928-1987
Cow poster
Silkscreen on wallpaper, unsigned
Cow with a pink background, surrounded by a purple ground. Left margin in the same pink reading "Andy Warhol" and a bit further down "NOV. 18, 1976 TO JAN. 9, 1977 COPYRIGHT A.W.E.", with "MODERN ART PAVILION SEATTLE CENTER" to the left margin just below the cow's ear. Unframed.
45 1/4 x 29 1/2 in. (114.9 x 74.9 cm.)

Condition

Any condition statement is given as a courtesy to a client, is an opinion, and should not be treated as a statement of fact. Reference to condition written, oral or within a condition report shall not be regarded as a full account of condition and may not include all defects, alterations, or restorations. Absence of a condition report does not imply a lot is flawless or lacking imperfections or damage. Selkirk Auctioneers & Appraisers shall have no responsibility for any error or omission. Returns shall not be accepted on the basis of condition.

Buyer's Premium

30% up to $1,000,000.00
25% up to $5,000,000.00
15% above $5,000,000.00

ANDY WARHOL (AMERICAN, 1928-1987)

Name: ANDY WARHOL (AMERICAN, 1928-1987)
SKU: 177030308
Price: 1800 USD
Availability: InStock

Estimate $500 - $1,500

See Sold Price

Starting Price $250

Sell a Similar Item

26 bidders are watching this item.

Shipping & Pickup Options

Item located in St. Louis, MO, us

See Policy for Shipping

Local Pickup Available

Payment

Selkirk Auctioneers & Appraisers

TOP RATED

St. Louis, MO, United States

148 Reviews

3,115 Followers