Polar Co-ordinates VII, from Polar Co-ordinates for Ronnie Peterson (A. 125)

FRANK STELLA Polar Co-ordinates VII, from Polar Co-ordinates for Ronnie Peterson (A. 125) offset lithograph, screenprint and letterpress in colors, 1980, on Arches Cover, signed and dated in pencil, numbered 'AP 11/20' (an artist's proof, the edition was 100), published by Petersburg Press, New York, the full sheet, in very good condition, framed S. 38 x 38½ in. (965 x 978 mm.)