Omar Rayo (Colombian, 1928-2010) Nudobilia XXII. 1972. Silkscreen and relief embossing (die-cut plate impressions). [570 x 765]. Very fine proof on strong white vellum, justified "A.P.", signed, dated and titled in pencil. Minor surface and edge soiling. Full margins. Attached: poster for an exhibition by the artist at the Instituto Nacional de Bellas Artes y Literatura, Mexico City, 1973. Offset. [455 x 695]. Set of pieces.