Artist: Robert Mapplethorpe Title: Thirteen Artists Year: 1974 Signed: No Medium: Offset Lithograph Paper Size: 22.25 x 34 inches ( 56.515 x 86.36 cm ) Image Size: 11.75 x 32.5 inches ( 29.845 x 82.55 cm ) Edition Size: Unknown Framed: No Condition: B: Very Good Condition, with signs of handling or age Additional Details: Poster featuring black and white portraits of 13 artists taken by Robert Mapplethorpe. Authentic exhibition poster promoted by the Museum of Contemporary Arts in Houston.