Fitzwilliam, William Wentworth, 4th Earl Fitzwilliam (1748 - 1833) (Stamp 1)
Crest: Out of a ducal coronet a panache of five ostrich feathers
Dimensions (height x width): 39mm x 34mm
Coronet: Earl
Heraldic Charges: coronet, ducal, out of afeathers, ostrich (5)
The Bibliographical Society of London