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
Oscar Ghez # SCHILDERS VAN PARIJS #sealed copy
Oskar Kokoschka # Paradise # Mint, 1: 1
Ostende # l'Expressionisme FLAMAND # 1961, nm-
Osthaus Museum # VAN DE VELDE #1959, nm-
Otterlo Museum # BARRY LE VA # 1988, nm+
Otto Dix # ZWISCHEN DEN KRIEGEN # 1977, nm
Otto Neurath, ISOTYPE# AFTER NEURATH# poster, mint,2007
Otto Treuman # SCHILDERIJEN VAN HET RIJKSMUSEUM KROLLER-MULLER # 1970, nm-
Otto Treumann # JOODS HISTORISCH MUSEUM # 1956, nm
Otto Treumann design # JODS HISTORISCH MUSEUM # folder, 1965, nm
Otto Wagner #MUSEUM POSTSPARKASSE # ca. 2012, mint-
Overholland # ARNULF RAINER, Clara # 1000 cps,1987, nm+,
Overholland # RICHTER, werken op papier 1983-1986 # 1987, nm
Pablo Picasso, Stedelijk Museum # GUERNICA # Sandberg,1956, nm+
Pablo Picasso< berlin # GUERNICA # 1975, nm