1780 MAIL LONDON TO NEWCASTLE WITH BISHOP MARK AND 'F' LONDON RECEIVER'S HANDSTAMP. Fine letter Grays Inn dated Feb 12th 1780 to 'Mr Wren, Newcastle, North', charged '8', on reverse fine strike London Bishop mark '12/FE' also fine strike circular 'F' handstamp of William Flexney, London receiver. (Ref 143460).