Sinjerli Variations Squared with Colored Grounds

FRANK STELLA (b. 1936) Sinjerli Variations Squared with Colored Grounds the complete set of six offset lithographs and screenprints in colors, on Arches Cover, 1981, each signed and dated in pencil, numbered 20/38, 20/61, 20/50, 20/29, 20/32, 20/44 (there were also 10 artist's proofs for each respectively), published by Petersburg Press, New York, the full sheets, in very good condition, framed Each sheet: 32 x 32 in. (813 x 813 mm.) (6)