signed and dated 64 on the overlap
acrylic and silkscreen ink on canvas
8 by 8 in. 20.3 by 20.3 cm.
Leo Castelli Gallery, New York
Private Collection, London (acquired from the above in 1964)
Sotheby's, New York, 15 November 2007, Lot 193
Acquired from the above sale by Marc Jacobs