Former Owner
- Homer D. Crotty2
- House of Colonna2
- House of Sforza2
- Hucks Gibbs, 1st Baron Aldenham2
- Ida M. Havens2
- Imre De Vegh2
- J. Martini2
- J. Paul Getty Museum2
- J. Techener2
- James & Mary Lee Tregaskis (Firm)2
- James Bowen2
- James C. Byrne2
- Jay Gould2
- Jean-Baptiste Denis Guyon de Sardière2
- Johan Meerman2
- John Boyd Thacher I2
- John Egerton, 1st Earl of Bridgewater2
- John Egerton, 2nd Earl of Bridgewater2
- John Egerton, 3rd Earl of Bridgewater2
- John III of Portugal2