Former Owner
- Oliver Henry Perkins2
- Oswald Carl Friedrich von Seilern und Aspang2
- Otto Orren Fisher2
- Paolo Vimercati Sozzi2
- Parke-Bernet2
- Paul Gottschalk2
- Paul Sabatier2
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II2
- Peter Le Neve2
- Philip Hofer2
- Philip Kerr, 11th Marquess of Lothian2
- Pierleone Leoni2
- Piero Ginori Conti2
- Pierre Gélis-Didot2
- Pierre Pithou2
- Pietro Antonio Crevenna2
- Pius VI2
- Prieuré Saint-Louis de Poissy2
- Raoul Chandon de Briailles2