Lot 0164

Rovenskaya "Angry Rabbit" Original Mixed Media on Paper

Similar Sale History

View More Items in Mixed Media & Collages

Sold

Nastya Rovenskaya- Original Mixed Media on Paper: Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Liberty. Size (Unframed): 48" x 40". Size (Framed): 59" x 51". Certificate of Authenticity: From the publisher. Additional: Cus

2021Nastya Rovenskaya- Original Mixed Media on PaperSee Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "The Ballon": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: The Ballon. Size (Unframed): 50" x 40". Measures approx. (Framed): 60" x 50". Certificate of Authenticity: From the publisher.

2022Nastya Rovenskaya- Original Mixed Media on Paper "The Ballon"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper: Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Follow Your Heart. Size (Unframed): 36" x 48". Size (Framed): 45" x 57". Certificate of Authenticity: From the publisher. Addit

2021Nastya Rovenskaya- Original Mixed Media on PaperSee Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Muhammad Ali": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Muhammad Ali. Size (Unframed): 48" x 36". Measures approx. (Framed): 57" x 45". Certificate of Authenticity: From the publisher

2022Nastya Rovenskaya- Original Mixed Media on Paper "Muhammad Ali"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Uncle: Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Uncle Scrooge. Size (Unframed): 48" x 36". Size (Framed): 57" x 45". Certificate of Authenticity: From the publisher. Reference

2021Nastya Rovenskaya- Original Mixed Media on Paper "UncleSee Sold Price

Sold

2024Nastya Rovenskaya- Original Mixed Media on Paper "Muhammad Ali"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Uncle Scrooge": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Uncle Scrooge. Size: 49" x 40". Measures approx. 56" x 46" (framed). Signature: Hand Signed by the artist. Certificate of Authe

2023Nastya Rovenskaya- Original Mixed Media on Paper "Uncle Scrooge"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Pumped Coin": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Pumped Coin. Size (Unframed): 50" x 40". Measures approx. (Framed): 56" x 46". Certificate of Authenticity: From the publisher.

2023Nastya Rovenskaya- Original Mixed Media on Paper "Pumped Coin"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "The Shadow of Marilyn": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: The Shadow of Marilyn. Size: 50" x 38". Measures approx. 56" x 45" (framed). Signature: Hand Signed by the artist. Certificate

2023Nastya Rovenskaya- Original Mixed Media on Paper "The Shadow of Marilyn"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "You May Say I'm a Dreamer": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: You May Say I'm a Dreamer. Size: 50" x 38". Measures approx. 53" x 41" (framed). Signature: Hand Signed by the artist. Certific

2023Nastya Rovenskaya- Original Mixed Media on Paper "You May Say I'm a Dreamer"See Sold Price

Sold

2021Nastya Rovenskaya- Original Mixed Media on PaperSee Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Basic Instinct": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Basic Instinct. Size (Unframed): 50" x 38". Measures approx. (Framed): 55" x 45". Certificate of Authenticity: From the publish

2023Nastya Rovenskaya- Original Mixed Media on Paper "Basic Instinct"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Einstein's Placard": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Einstein's Placard. Size (Unframed): 49" x 40". Measures approx. (Framed): 60" x 50". Certificate of Authenticity: From the pub

2022Nastya Rovenskaya- Original Mixed Media on Paper "Einstein's Placard"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Money is Life": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Money is Life. Size (Unframed): 38" x 50". Measures approx. (Framed): 46" x 58". Certificate of Authenticity: From the publishe

2022Nastya Rovenskaya- Original Mixed Media on Paper "Money is Life"See Sold Price

Sold

Nastya Rovenskaya- Original Mixed Media on Paper "Queen Elizabeth": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Queen Elizabeth. Size (Unframed): 49" x 38". Measures approx. (Framed): 55" x 44". Certificate of Authenticity: From the publis

2022Nastya Rovenskaya- Original Mixed Media on Paper "Queen Elizabeth"See Sold Price

Sold

2023Nastya Rovenskaya- Original Mixed Media on Paper "Einstein's Placard"See Sold Price

Related Mixed Media & Collages

Nastya Rovenskaya- Original Mixed Media on Paper "Angry Rabbit": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Angry Rabbit. Size: 23" x 29". Measures approx. 29" x 35" (framed). Signature: Hand Signed by the artist. Certificate of Authen

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "Angry Rabbit"

$450

Nastya Rovenskaya- Original Mixed Media on Paper "Kobe Bryant": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Kobe Bryant. Size: 50" x 38". Measures approx. 56" x 44" (framed). Signature: Hand Signed by the artist. Certificate of Authent

1 day LeftNastya Rovenskaya- Original Mixed Media on Paper "Kobe Bryant"

$1,000

Nastya Rovenskaya- Original Mixed Media on Paper "Dreaming": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Dreaming. Size: 30" x 24". Measures approx. 36" x 30" (framed). Signature: Hand Signed by the artist. Certificate of Authentici

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "Dreaming"

$350

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "Kobe Bryant"

$750

Nastya Rovenskaya- Original Mixed Media on Paper "It's All About Money": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: It's All About Money. Size: 30" x 40". Measures approx. 36" x 46" (framed). Signature: Hand Signed by the artist. Certificate o

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "It's All About Money"

$800

Nastya Rovenskaya- Original Mixed Media on Paper "Sales Report": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Sales Report. Size: 38" x 50". Measures approx. 44" x 56" (framed). Signature: Hand Signed by the artist. Certificate of Authen

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "Sales Report"

$1,000

Nastya Rovenskaya- Original Mixed Media on Paper "Model": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Model. Size: 48" x 36". Measures approx. 57" x 45" (framed). Signature: Hand Signed by the artist. Certificate of Authenticity:

6 days LeftNastya Rovenskaya- Original Mixed Media on Paper "Model"

$1,000

Nastya Rovenskaya- Original Mixed Media on Paper "Power": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Power. Size: 30" x 24". Measures approx. 39" x 33" (framed). Signature: Hand Signed by the artist. Certificate of Authenticity:

Jun 11, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Power"

$350

Nastya Rovenskaya- Original Mixed Media on Paper "Show Time": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Show Time. Size: 30" x 40". Measures approx. 37" x 47" (framed). Signature: Hand Signed by the artist. Certificate of Authentic

Jun 11, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Show Time"

$800

Nastya Rovenskaya- Original Mixed Media on Paper "Mickey & Minnie": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Mickey & Minnie. Size: 30" x 40". Measures approx. 39" x 49" (framed). Signature: Hand Signed by the artist. Certificate of Aut

Jun 11, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Mickey & Minnie"

$800

Nastya Rovenskaya- Original Mixed Media on Paper "Rocking Sailor": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Rocking Sailor. Size: 50" x 40". Measures approx. 56" x 46" (framed). Signature: Hand Signed by the artist. Certificate of Auth

Jun 11, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Rocking Sailor"

$1,000

Jun 11, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Basic Instinct"

$1,000

Nastya Rovenskaya- Original Mixed Media on Paper "SUP": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: SUP. Size: 20" x 24". Measures approx. 27" x 32" (framed). Signature: Hand Signed by the artist. Certificate of Authenticity: F

Jun 13, 2024Nastya Rovenskaya- Original Mixed Media on Paper "SUP"

$260

Nastya Rovenskaya- Original Mixed Media on Paper "Leon": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Leon. Size: 20" x 24". Measures approx. 29" x 33" (framed). Signature: Hand Signed by the artist. Certificate of Authenticity:

Jun 13, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Leon"

$260

Nastya Rovenskaya- Original Mixed Media on Paper "Ready To Fight": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Ready To Fight. Size: 20" x 24". Measures approx. 26" x 32" (framed). Signature: Hand Signed by the artist. Certificate of Auth

Jun 13, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Ready To Fight"

$260

Nastya Rovenskaya- Original Mixed Media on Paper "Love": Artist: Nastya Rovenskaya. Medium: Original Mixed Media on Paper. Title: Love. Size: 30" x 40". Measures approx. 39" x 49" (framed). Signature: Hand Signed by the artist. Certificate of Authenticity:

Jun 13, 2024Nastya Rovenskaya- Original Mixed Media on Paper "Love"

$800

More Items in Mixed Media & Collages

Peter Max Mixed Media Umbrella Man on Blend Painting Park West Label & COA 2005 1 of 3 in Sale: Described By:Sam HFA VX NEDD Title: Peter Max Mixed Media Umbrella Man on Blend Painting Park West Label & Certificate of Authenticity 2005 One of Three in Sale Description:Peter Max Mixed Media Umbre

Jun 15, 2024Peter Max Mixed Media Umbrella Man on Blend Painting Park West Label & COA 2005 1 of 3 in Sale

$400

ARTIST UNKNOWN (European School, 18th-19th Century). Portra...: ARTIST UNKNOWN (European School, 18th-19th Century). Portrait of a Woman and her Dog. Mixed media on paper. 12 ¾ x 8 ¾”. Frame (glass): 22 ¼ x 17 ¾”. Inscribed “l

Jun 26, 2024ARTIST UNKNOWN (European School, 18th-19th Century). Portra...

$150

[ARTIST UNKNOWN] (American, 20th century). Rump Theatre, A ...: [ARTIST UNKNOWN] (American, 20th century). Rump Theatre, A Miniature Art Deco Theater Diorama. Not dated. Mixed media sculpture encased with glass. 30 h x 36 ¼ w x 31 ½” d. Diorama rec

Jun 26, 2024[ARTIST UNKNOWN] (American, 20th century). Rump Theatre, A ...

$300

Dizzy Gillespie and Charlie Bird Wadsworth Jarrell Signed Original Painting on Canvas w/ Papers: Described By:Sam CNX 1653 8357 Title: "Dizzy and the Bird," Dizzy Gillespie and Charlie Bird, Wadsworth Jarrell Signed Original Mixed Media on Canvas Painting with Gallery Papers Description:Wadsworth

Jun 15, 2024Dizzy Gillespie and Charlie Bird Wadsworth Jarrell Signed Original Painting on Canvas w/ Papers

$1,200

Peter Max Umbrella Man on Blends Mixed Media 2006: Max, Peter (German/American, born 1937), Umbrella Man on Blends - from the Iconic Suite, 2005, mixed media with handpainted acrylic over color lithography, signed in acrylic lower right, a unique vari

5 days LeftPeter Max Umbrella Man on Blends Mixed Media 2006

$350

ARTIST UNKNOWN (19th century). Working Sketch. Mixed media...: ARTIST UNKNOWN (19th century). Working Sketch. Mixed media on paper. Sight: 8 ¼ x 5 ¾”. Frame: 12 ¾ x 9”. Blind stamp lower left. Paper toned. Random unknown mark lower left

Jun 26, 2024ARTIST UNKNOWN (19th century). Working Sketch. Mixed media...

$50

CHRISTIAN BOLTANKI "Petit Container": CHRISTIAN BOLTANKI "Petit Container". Height: 59 in. by Width: 87 in. by Depth: 19.Boltanski made this work in 2009 shortly before his spectacular exhibition "Personnes" at the Grand Palais in Paris a

3 days LeftCHRISTIAN BOLTANKI "Petit Container"

$2,500

Howard Finster (American, 1916-2001) "Desert Storm War In Gulf" Mixed Media: DESCRIPTION: Mixed media (Paint, marker, wood, and photocopy) artwork by Howard Finster (American, 1916-2001). On arm: "Desert Storm / War in Gulf / Feb-3-91 / by Howard F." At reverse: "17.000.743. w

3 days LeftHoward Finster (American, 1916-2001) "Desert Storm War In Gulf" Mixed Media

$200

Andy Warhol (1928-1987) "Dollar Sign" Framed Skateboard Triptych Plate Signed with LOA: Andy Warhol (1928-1987) "Dollar Sign" Framed Skateboard Triptych Plate Signed with LOA. This art features 3 skateboard framed depicting the $ sign. It bears the plate signature of the artist on the ba

Jul 07, 2024Andy Warhol (1928-1987) "Dollar Sign" Framed Skateboard Triptych Plate Signed with LOA

$350

Three Folk Art Cat Artworks: Three cat folk artworks. The first, a cat face. Oil on paper in a fine tramp art frame with hearts. The second, a mixed media portrait of 'HOOKEY'. Felt and pigment on paper. The third, a yell

3 days LeftThree Folk Art Cat Artworks

$300

Brother Cletus Behlmann, S.M., Mixed Media "Michael Casts Out Lucifer": Brother Cletus Behlmann, S.M, Mixed Media Sight: 34" x 14.5" Frame: 40" x 22" In Shadowbox Shipping available for this lot through Live Shipping; please request a shipping quote at packaging@liveaucti

15 hrs LeftBrother Cletus Behlmann, S.M., Mixed Media "Michael Casts Out Lucifer"

$850

Purvis Young (American, 1943-2010) Mixed Media On Plywood: DESCRIPTION: Mixed media on plywood painting by Purvis Young (American, 1943-2010) depicting figures on a boat. Completed with carpet bordering. Signed "Young" at left. CIRCA: 1990s-2000s ORIGIN: Amer

3 days LeftPurvis Young (American, 1943-2010) Mixed Media On Plywood

$25

STANLEY GALLI (1912-2009) '57 CHEVROLET ILLUSTRATION: Stanley Walter Galli (1912-2009) It Likes to Flex Those Big New Muscles 1957 The published mixed media on board illustration painting is signed upper right, and depicts the 1957 Bel Air Sport Coupe tr

4 days LeftSTANLEY GALLI (1912-2009) '57 CHEVROLET ILLUSTRATION

$500

Jamali (b.1944) Mixed Media Fresco Painting: DESCRIPTION: Jamali (b.1944) Mixed media fresco painting featuring a brutalist textured panel with red and blue tones, mounted in silver leaf frame. Paperwork attached to verso: Jamali, Art and Peace,

Jun 11, 2024Jamali (b.1944) Mixed Media Fresco Painting

$500

Retna (B. 1979): Untitled: mixed media on canvas 118 1/2 x 83 in. (301 x 210.8 cm.)

5 days LeftRetna (B. 1979): Untitled

$3,000

Jun 15, 2024Peter Max Mixed Media Blend Painting Woodstock Series Profile on Board One of Three in Sale Signed

$225

Recommended Art

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

$1,700

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

6 days LeftEmilio Grau-Sala "Sur la Plage" Oil on Canvas

$14,000

BIRGER SANDZEN (1871-1954) DUSK MOON OIL ON CANVAS 1912: Birger Sandzen (Kansas, 1871-1954) 1912 The pointillist technique landscape with rose-tinted clouds lit by an evening sun from the opposite horizon is accented by a rising moon reflected on water near

4 days LeftBIRGER SANDZEN (1871-1954) DUSK MOON OIL ON CANVAS 1912

$34,000

JOCK STURGES, HAND SIGNED AND NUMBERED PHOTOGRAPH: JOCK STURGES, HAND SIGNED AND NUMBERED PHOTOGRAPH, CA 28x21CM

Jun 16, 2024JOCK STURGES, HAND SIGNED AND NUMBERED PHOTOGRAPH

€700

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

$850

Marvelous antique artist signed painting of Hot Air Ballons: Marvelous antique artist signed painting of Hot Air Ballons. Signed and titled as shown in photos. Slight Convex shape as shown. Beautiful colors. Great quality and detail. In very good original as fo

6 days LeftMarvelous antique artist signed painting of Hot Air Ballons

$1,550

Very Large Old Master Simon de Chalons Circle Oil on Panel Holy Family Virgin Mary Christ Child: Described By:Sam CNX 1646 8329 Title: Very Large Old Master Simon de Chalons Circle Oil on Panel Holy Family Virgin Mary Christ Child Saints Description:Very Large Old Master Simon de Chalons Circle O

Jun 15, 2024Very Large Old Master Simon de Chalons Circle Oil on Panel Holy Family Virgin Mary Christ Child

$600

Jun 16, 2024JOCK STURGES, HAND SIGNED AND NUMBERED PHOTOGRAPH

€250

Clement Gontier (French,1876-1918) oil painting antique: ARTIST: Clement Gontier (France, 1876 - 1918) TITLE: Still Life with Vase of Flowers MEDIUM: oil on canvas CONDITION: Minor scratches/paint losses. One inpainted area (3" x 2"). ART SIZE: 36 x 29 inch

Jun 30, 2024Clement Gontier (French,1876-1918) oil painting antique

$320

Robert Waltsak (NJ,b 1944) oil painting: ARTIST: Robert Alan Waltsak (New Jersey, born 1944) TITLE: Seascape with Sailboats MEDIUM: oil on canvas board CONDITION: Overall good. No visible inpaint under UV light. ART SIZE: 24 x 32 inches / 60

Jun 16, 2024Robert Waltsak (NJ,b 1944) oil painting

$475

B G Ten Borg (Dutch,19?) oil painting antique: ARTIST: B G Ten Borg (Netherlands, 19 century) TITLE: Pastoral Landscape YEAR: 1869 MEDIUM: oil on canvas CONDITION: Relined. Some small damages by the right edge. Few small paint losses. Some craquel

Jun 16, 2024B G Ten Borg (Dutch,19?) oil painting antique

$140

DAVID PATCHEN (B.1966) MURRINE "SUNSET ELLIPSE" ART GLASS SCULPTURE: Studio art glass sculpture, "Sunset Ellipse", David Patchen (American, b. 1966), having short narrow mouth, over circular body, rising on colorless round foot, body decorated with translucen

3 days LeftDAVID PATCHEN (B.1966) MURRINE "SUNSET ELLIPSE" ART GLASS SCULPTURE

$900

Rafal Olbinski (Polish, B. 1943) Oil On Canvas: DESCRIPTION: Surrealist oil on canvas painting by Rafal Olbinski (Polish, b. 1943). Signed "Olbinski" at lower left. Nahan Gallery label at reverse. Provenance: From a prominent South Beach Estate CIR

3 days LeftRafal Olbinski (Polish, B. 1943) Oil On Canvas

$6,500

Rina Ellis ADULT FILM In Person Signed Photo: Photo size is 8x10. PRIVATE SIGNING. Rina Ellis in person signed photo. Rina Ellis is an adult film star. Rina Ellis is primarily Known for her performances in Internet videos and web-based videos. Sh

Jun 15, 2024Rina Ellis ADULT FILM In Person Signed Photo

$31

Vintage 1960's Sweet n sassy Art Posed Model.Contact Sheet: Vintage 1960's Sweet n sassy Art Posed Model.We are currently offering a group of unique images From Private collection of a Professional Photographer Most Likely Uncirculated Provenance: New York-Bas

7 days LeftVintage 1960's Sweet n sassy Art Posed Model.Contact Sheet

$175

German Secessionist Frame and "Harmonie" Print: German Secessionist Parcel Gilded Mahogany Frame, containing a print by Max Rosenfeld (German, 1874-?), the reverse with a label reading "Max Rosenfeld / "Harmonie" / 1902 / Kunstverlag Julius Steinma

Jun 18, 2024German Secessionist Frame and "Harmonie" Print

$50

Rovenskaya "Angry Rabbit" Original Mixed Media on Paper

Item Details

Description

"Angry Rabbit" is a one-of-a-kind mixed media on deckle edge paper by Nastya Rovenskaya; hand signed by the artist. This piece comes custom framed and includes letter of authenticity. Measures approximately 36" x 46" (framed), 30" x 40" (image).

Condition

Great

Buyer's Premium

Rovenskaya "Angry Rabbit" Original Mixed Media on Paper

Name: Rovenskaya \"Angry Rabbit\" Original Mixed Media on Paper
SKU: 178130653
Price: 950 USD
Availability: InStock

Estimate $1,350 - $1,800

See Sold Price

Starting Price $1

Sell a Similar Item

1 bidder is watching this item.

Shipping & Pickup Options

Item located in Westlake Village, CA, us

Offers In-House Shipping

Payment

Accepts seamless payments through LiveAuctioneers

BK Auctions

TOP RATED

Westlake Village, CA, United States

1,421 Reviews

11,695 Followers