Former Owner
- Katherine Petersen1
- Konrad von Maurer1
- Lajos Graf Apponyi de Nagy-Appony1
- Latham family1
- Leicester Harmsworth1
- Little family1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Lorenzo Berdute1
- Lucien Delamarre1
- Marco da Bologna1
- Matthias Corvinus1
- Merlemont family1
- Morton Davis Mitchell1
- Museo Cavaleri1
- Nicolas Antoine Labbey de Billy1
- Owen D. Young1
- P. Desq1
- P. Pigeot1
- Philip Kerr, 11th Marquess of Lothian1
- Pietro Bembo1