Matt Mullican Untitled 1996 Diptych: each oil frottage on canvas Each on the reverse signed and dated with coloured pencil in blue: matt mullican 96. The right canvas additionally inscribed: B 95 5/8 × 48 in. Stiftung Brandenburger Tor (ed.): Die Kunstsammlung der Landesbank Berlin AG. Berlin, Nicolaische Verlagsbuchhandlung, 2007, ill. p. 81 Berliner Sparkasse Collection