Robert Rauschenberg (American, 1925-2008) Quarry Offset lithograph printed in colours, 1968, on wove, signed, dated and numbered 133/300 in pencil, printed and published by Quarry, Local One/Amalgamated Lithographers of America, and Colour Lithographers Service, Inc., New York, with full margins, 845 x 640mm (33 x 25in)(I)