1787 MAIL GRANTHAM TO RETFORD WITH 'GRAN/THAM' TWO LINE HAND STAMP UNRECORDED IN COUNTY CATALOGUE. Letter Grantham to 'The Revd. Stevenson, Retford, Notts' dated January 15th 1787 with light strike 'GRAN/THAM' two line handstamp in black 38x16, UNRECORDED IN THE COUNTY CATALOGUE. (Ref 93077).