Former Owner
- Messieurs Du Trieu2
- Michael Tomkinson2
- Michele Cavaleri2
- Mikhail Golitsyn2
- Muḥammad Anīs Ṭālawī2
- Nafīsah bint al-Ḥājj Muḥammad Ghalyūn2
- Nicholas Bacon2
- Oric Bates2
- Oswald Carl Friedrich von Seilern und Aspang2
- P. Desq2
- Paolo Vimercati Sozzi2
- Parke-Bernet2
- Paul Gottschalk2
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II2
- Peter Eaton2
- Philip Augustus Hanrott2
- Philip Kerr, 11th Marquess of Lothian2
- Pierleone Leoni2
- Pierre Gélis-Didot2