1968 'GREAT WESTERN T.P.O. UP' DATE STAMP ON COVER. Envelope to Dunnington York with 3d Guernsey regional cancelled 'GREAT WESTERN T.P.O. UP/2' date stamp 12 AU 68 with fine strike of instructional '1D/TO PAY POSTED IN T.P.O. LATE FEE NOT PAID' with 1d postage due cancelled DUNNINGTON 24 AU 68. (Ref 118966).