Former Owner
- Giuseppe Martini4
- Helge Frank4
- Hermann Suchier4
- Jacques Rosenthal4
- James Halliwell-Phillipps4
- John Hope, 1st Marquess of Linlithgow4
- Lathrop C. Harper, Inc.4
- Laurence Claiborne Witten II4
- Leo Olschki4
- Leonello d'Este, Marquis of Ferrara4
- Luigi Celotti4
- Norman H. Strouse4
- Wilfred Merton4
- William Morris4
- William Taylor Scheide4
- Acton Griscom3
- Adriana R. Salem3
- Brayton C. Ives3
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate3
- Charles William Dyson Perrins3