CY TWOMBLY (B. 1928). Untitled (Bastian 28)

offset lithograph in colors, 1970, on heavy wove paper, signed with initials in ink on a label affixed to the reverse, numbered 219/250 (there were also 30 artist's proofs in Roman numerals), published by Verein Progressiver Galerien, Cologne, the full sheet, in very good condition. S. 12 3/8 x 16¾ in. (314 x 426 mm.)

Christie's New York. Prints and multiples. 31 july 2008. www.christies.com