New York galleries, 9 invitation cards

comprising of (1) Lawrence Weiner, 'Two works of Lawrence Weiner (within the context of reason)' at Gian Enzo Sperone, January 1975. Green text printed on very thin white sheet. Edge toning, else fine.

(2) OK Harris invitation card for Jack Goldstein's first one-man show in New York, 1972. Plus Robert Bechtle, 1974. (3) Two mint cards from Heiner Friedrich featuring a Donald Judd and a Walter de Maria show. (4) Three John Gibson cards for Joseph Beuys, 1974, Jean le Gac and Joan Collins, 1979. (5) Bill Copley at Onnasch. (total 9)