Unidentified Stamp

Unidentified Stamp
Crest: A boar’s head couped at the neck charged with an annulet
Dimensions (height x width): 26mm x 20mm
Heraldic Charges: boar's head
This is perhaps the crest of Calthorpe [Calthrop]. Some of the family, according to Fairbairn, use this crest uncharged, and one branch has it with the charge of three annulets interlinked