Unidentified Stamp

Unidentified Stamp
Crest: Out of a ducal coronet a demi griffin segreant
Dimensions (height x width): 21mm x 23mm
Heraldic Charges: coronet, ducal, out of agriffin, demi-
Fairbairn’s Crests (plate 64/4):- Besney [or Bestney of Hertfordshire]; Connocke of Cornwall; Coppin of Norfolk; Griffin of London; Lane of County Roscommon in Ireland; Page; Powell of Hinton in Herefordshire, of St Alban’s, of London and of Herefordshire; Rowles of Surrey; Royden of Devon; Vidler.