[San Juan: Ateneo Puertorriqueño], 1958. Original illustrated poster, silkscreened in three colors on white stock, measuring 47.25cm x 67.25cm (18.5" x 26.5"). Light wear and handling, some faint creases, short tear to upper left margin, with masking tape along upper and lower margins on recto, and some faint adhesive streaking; unbacked; Very Good+ / B.
Striking poster announcing a 1958 exhibition of paintings by Puerto Rican painter and printmaker Carlos Osorio (1927-1984) at the Ateneo Puertorriqueño, the country's oldest private cultural institution. The exhibition featured 41 works, including oil paintings, watercolor, and drawings. The poster, designed by Puerto Rican artist Carlos Rivera (1923-1999), features a powerful central image of a winged man holding aloft a staff, which is both his paintbrush and his machete. Not separately listed in OCLC, though we note an example held by the University of Puerto Rico.