Opalka ao, Budapest # GEOMETRIA ES METAFORA # 1988, nm+
Openbare Bibliotheek Vlissingen # WIM HOFMAN # 1991, nm
Openluchtmuseum Middelheim, Antwerpen # TONY CRAGG # 1996, nm-
Opera Gallery # PABLO ATCHUGARRY # Book + invitation,2018, mint--
Opkomende Zon, surrealism # CARLOS REVILLA # 1977, near mint
Opy Zouni # COMPOSITION # 1990, siggned :numb 4/150, mint
Orange House # AART ROOS #
Orangerie des Tuileries # CHAIM SOUTINE # 1973, nm--
Orangerie des Tuileries # ROBERT DELAUNAY # 1976, nm
Orangerie des Tuileries, Paris # MAX ERNST # 1971, nm
Orangerie Koln # OTMAR ALT # includes 6 original seriegraphs, 1974, nm+
Orangerie Multiples Köln # BERROCAL # 1970, nm
Oranje Nassau, Queen Beatrix # BIJ DE PRINSESJES # ca. 1948, NM
Orez # HANS-J. SPESSHARDT # 1966, nm
original gouache # GUNTHER TUZINA # 2002, mint / framed
original lithograph # Antoni TÀPIES # 1974, nm++
Original Lithograph # ANTONI TÀPIES #1974, nm++
original lithograph # FIEDLER # 1959, original lithograph, nm+
Original Lithograph # PETER GENTENAAR # 1975, signed and Artist Proof, nm+
Original Lithograph # PIERRE COURTIN # ed 300, no. 164, signed, MINT-