Former Owner
- Giovanni Baldovinetti1
- Girard Dupeireux1
- Giuseppe Martini2
- Godajośī Dhātoṇḍa1
- Gāḍagila, Janārdanapanta Bhatu2
- H. Bayle1
- H. P. Kraus (firm)1
- Hampton L. Carson6
- Hans Albrecht von Derschau1
- Harimiśra1
- Harris1
- Harrison Horblit2
- Harrison Wright1
- Heeramaneck, N.N1
- Helmut Beck1
- Henry Charles Lea1
- Henry Harvey Frost1
- Henry Pelham-Clinton, 4th Duke of Newcastle1
- Henry Percy, 9th Earl of Northumberland1
- Henry Wyndham, 2nd Baron Leconfield1