Unidentified Stamp

Unidentified Stamp
Arms:
A chevron between three escallops
Dimensions (height x width): 123mm x 80mm
Heraldic Charges: chevron betweenescallops (3)
Notes:
Probably either James Graham (1682-1742), 4th Marquess of Montrose, created 1st Duke of Montrose in 1707; or Sir Thomas Lyttelton (1686-1751) of Frankley, Worcestershire.

Sources