Description
1941 (Jun 20) Plain envelope by airmail to Mr. M. Segal, Travessa Sta. Quiteria 15, Lisbon (Forwarding Agent ??) from P.O. Box 20/10, London E.C.1 (Undercover address for Polish 12th Field Ambulance) bearing GB GV1 definitive 5d tied machine date stamp with place of origin blacked out & with large part PC 90 OPENED BY EXAMINER 787 label with on reverse Lisbon (27 Jun) arrival date stamp … Polish Free forces fighting for the allies had a large presence in the UK with the Lisbon address looking very much to be a forwarding Agent to get mail into Poland & as yet unlisted by Entwistle