$3,500
Estimate: $1,000 - $1,500
Auction: February 18, 2021 10:00:00 AM EDT
Circa 1959. Magenta-only color progressive proof. Signed by Chopping in pencil, lower right. Print: 22 3/8 x 17 1/2 in. (568 x 444 mm) (sight). In frame, 32 13/16 x 27 1/2 in. (833 x 698 mm).
Artist's own retained copy.