Mark Grotjahn signature
American · b. 1968
46 catalogued lots by Mark Grotjahn record a signature line. The most common placement is on the reverse (67% of lots that state a placement). Most often: signed.
Placement
Form
Signature as written
Forms quoted in the catalogue entries (how often each appears).
- Mark 2021 2021×1
- MARK GROTJAHN 2001×1
- MARK GROTJAHN 2000×1
- M. GROTJAHN 03×1
- GROTJAHN×1
- M. GROTJAHN 01×1
Catalogue signature lines
Signed with the artist's initials and dated 'mg04' on the reverse
— Untitled, Phillips, Oct 18, 2025Signed with the artist's initials and dated "MG09" lower center; signed, inscribed and dated "I LOVE JOSH Mark 2009–2010" on the reverse
— Untitled (Face), Phillips, May 14, 2025Signed and dated "Mark 2021 2021" on the reverse
— Untitled, Phillips, Sep 27, 2023Signed, partially titled and dated "1·1·13 SL XVI M. GROTJAHN" lower right; signed, partially titled and dated "M. Grotjahn 2013 XVI" on the overlap
— Untitled (Standard Lotus XVI Face 44.15), Phillips, May 17, 2023Signed with the artist’s initials, numbered and dated "MPG XII 14" lower right; signed with the artist's initials and partially titled "C 12 C 12 MPG" on the tu
— Untitled (Circus No. 12 Face 44.30), Phillips, Nov 15, 2022Signed, titled and inscribed ""Michael's Favorites" Mark Grotjahn 5.25.99" on the reverse
— Michael's Favorites, Phillips, Sep 28, 2021Each signed and dated "MARK GROTJAHN 2001" on the reverse
— Two works: Untitled (Blue and Cream), Phillips, Sep 28, 2021Signed and dated "MARK GROTJAHN 2000" on the reverse
— Untitled (Three-tiered perspective), Phillips, Jun 24, 2021Signed, signed with the artist's initials, titled and dated 'M G 2013 GROTJAHN UNTITLED (ORANGE AND GREEN BUTTERFLY 45.02) 2013' on the reverse
— Untitled (Orange and Grass Green Butterfly 45.02), Phillips, Oct 2, 2019Signed, inscribed and dated "Happy Birthday For Jonny 07 M. Grotjahn" on the reverse
— Untitled, Phillips, May 15, 2019Signed and dated 'M. GROTJAHN 03' on the reverse
— Untitled (Butterfly Five Color Ray), Phillips, Mar 7, 2019Signed with the artist's initials and dated "MG 2002" on the reverse
— Untitled, Phillips, Nov 14, 2018Signed with the artist's initials and dated "MG 10" lower right
— Untitled, Phillips, Nov 15, 2017Signed "GROTJAHN" upper edge; further dated "12" lower right
— Untitled (Blonde MG43.68), Phillips, Sep 19, 2017Titled, signed and dated '"Untitled (White Butterfly Hawaiian Lapis)" M. GROTJAHN 01' on the overlap; further signed and dated twice 'M. GROTJAHN 01' and 'MARK
— Untitled (White Butterfly Hawaiian Lapis), Phillips, Oct 5, 2016Signed, titled, inscribed and dated "MARK GROTJAHN 07 MG 07 MARK GROTJAHN 2007 Untitled (Butterfly w/ eyes) #964 Mark Grotjahn" on the reverse
— Untitled (Butterfly with Eyes), Phillips, May 21, 2026Signed in ink lower right
— BACKCOUNTRY (EXHIBITION POSTER), Whyte's, Apr 3, 2023Signed, titled and dated 'Untitled PGD32 (Black + Blue Butterfly #689) 2005' melted on the reverse
— Untitled PGD32 (Black and Blue Butterfly #689 melted), Phillips, Mar 7, 2019Signed twice, titled and dated "MARK GROTJAHN 2016 m. Grotjahn UNTITLED (CRIMSON RED AND CANARY YELLOW BUTTERFLY 45.93)" on the reverse
— Untitled (Crimson Red and Canary Yellow Butterfly 45.93), Phillips, Nov 16, 2016Signed, titled and dated "# 700 untitled (Black and creamsicle) MARK GROTJAHN 2007 Mark Grotjahn # 700 Mark Grotjahn 07 UNTITLED (BLACK AND CREAMSICLE 700) " on
— Untitled (Black and Creamsicle), Phillips, Sep 19, 2017Signed twice
— Untitled (Black and Blue Butterfly # 570), Phillips, May 10, 2016Initialed and dated
— Untitled (Black and White Butterfly 330), Phillips, Feb 29, 2016Signed
— Untitled (Butterfly for the Kitchen Black, Yellow and Tuscan Red 45.16), Phillips, Feb 29, 2016Signed and dated
— Untitled, Phillips, Feb 10, 2016Signed and dated
— Untitled (Brown Butterfly Purple), Phillips, Nov 8, 2015Signed by the artist
— Untitled, Phillips, Sep 17, 2015Signed
— Untitled (Colored Butterfly White Background 2 Wings), Phillips, May 15, 2015Signed
— Untitled (Blonde Butterfly 804), Phillips, May 14, 2015Signed and dated
— Poker face (4,097), Phillips, Mar 4, 2015Signed and dated
— Untitled (Three Butterfly Wings), Phillips, Nov 14, 2014Initialed
— Untitled, Phillips, May 16, 2014Initialed and titled
— Untitled (MG01-02), Phillips, Mar 7, 2014Initialed
— Untitled (Butterfly), Phillips, Mar 7, 2014Signed and dated
— Untitled, Phillips, Mar 6, 2014Signed and dated
— Untitled (Butterfly), Phillips, Feb 11, 2014Signed and dated
— Untitled (Butterfly), Phillips, Feb 10, 2014Signed and dated
— Untitled (2 Wings), Phillips, Nov 12, 2013Initialed and dated
— Untitled (Orange Butterfly Green M 2003 G), Phillips, Nov 11, 2013Signed
— Untitled (Lines on Black), Phillips, Nov 11, 2013Signed twice
— Untitled (Orange Butterfly Over Green), Phillips, Oct 16, 2013
From the signature and inscription lines published by the auction houses in their lot descriptions. ArtSell does not authenticate signatures; a signature matching these descriptions is not evidence that a work is genuine. No house signature photographs are recorded for this artist yet. Back to Mark Grotjahn auction results.