Hammer and Sickle : one plate

ANDY WARHOL Hammer and Sickle: one plate screenprint in colors, 1977, on brown wove paper, a trial proof, presumably unique on this paper (the edition was 50 plus 10 artist's proofs), the full sheet, in very good condition, framed Sheet: 30 x 40 1/8 in. (762 x 1019 mm.)