Aluminum Series : two plates (A. 37 & 38)

FRANK STELLA Aluminum Series: two plates (A. 37 & 38) two lithograph in colors, 1970, on Special Arjomari, each signed and dated in pencil, numbered 47/75 and 38/75 respectively (there were also 6 artist's proofs for each), published by Gemini G.E.L., Los Angeles, with their blindstamps, each the full sheet, soft scuffing at the right sheet edge, otherwise each in good condition Each: S. 16 x 22 in. (405 x 558 mm.) (2)