Former Owner
- Maggs Bros Ltd1
- Malachia Ormanian1
- Marcantonio Contarini1
- Martin Breslauer1
- Mary Augusta Strachey1
- Matteo Luigi Canonici1
- Muḥammad Ṣadr al-Dīn1
- Paolo Giovio2
- Paul Grinke1
- Peter Ludwig1
- Piero Ginori Conti1
- René Henry1
- Richard Heber1
- Robert Dallas1
- Robert Hoe III1
- Rudolph Frederick Kelker1
- Sam Schaefler1
- Samuel Frederick Houston1
- Sir Gregory Osborne Page-Turner, 4th Bt.1
- Solomon Joachim Halberstam1