1851 MAIL CARLISLE TO SEVENOAKS, KENT WITH 'IRTHINGTON' UDC. Envelope from Carlisle to 'The Revd. John Peat, M.A., Bradbourne Vale, Nr Sevenoaks, Kent' with fine 1d (SG8) lettered JD, four close to large margins and tied '165' numeral of Carlisle. On reverse very fine strike 'IRTHINGTON' udc in blue (Cumberland) and 'CARLISLE' date stamp AU 19 1851. (Ref 138178).