Andy Warhol (American 1928-1987), 'San Francisco Silverspot Butterfly, from Endangered Species', 1983, screen print in colours on Lenox Museum Board, un-signed and un-numbered test print, aside from the main edition of 150, published by Ronald Feldman Fine Arts, Inc., New York, stamped with the Publishers stamp to the sheet verso; sheet: 96.5 x 96.5cm (Framed)

This work is not signed or numbered, this is a test proof aside from the main edition. The work is stamped with the Andy Warhol/Ronald Feldman stamp in ink to the Lenox Board verso