Unidentified Stamp

Unidentified Stamp
Crest: Out of a ducal coronet a wolf's head couped
Dimensions (height x width): 21mm x 20mm
Heraldic Charges: coronet, ducal, out of awolf's head
The Heraldry of Crests (London, 1829) on plate 13 gives this crest as Howard. The 1860 edition of Fairbairn copies this without offering any further information; later editions simply omit it. Burke's General armory does not give this crest for any family of Howard.