Cactus in Red, Yellow, Green and Black * Cactus in Red, Blue and Green * Cactus in Blue, Green, Red and Yellow. Each 1969. Each 610x455 mm; 23 7/8x17 7/8 inches, full margins. Each artist's proofs, aside from the edition of 80. Each initialed and inscribed "E.A." in pencil, lower margin. Each from Cactus. Anselmino 29 C, 29 G, and 29 I,
