four untitled prints

ALFRED LESLIE JOAN MITCHELL; and MICHAEL GOLDBERG four untitled prints four screenprints in colors, 1960, on wove papers, one of the Leslie prints signed, dated and inscribed 'NYC' in pencil, numbered 'special edition 13/30', each the full sheets, each with minor surface soiling, a few soft handling creases and occasional soft scuffing in places, each with pale time staining, the signed Leslie with a crease along the extreme left sheet edge, the unsigned Leslie with a minor crack at the lower white-over-red shape at the lower image, and with the blindstamp of the Floriano Vecchi Library, the Mitchell with a small stain at the lower right sheet edge, otherwise each in very good condition each S. 17¾ x 16¼ in. (451 x 413 mm.) and smaller (4)