1940 (P.O.B. 506 Lisbon) undercover address opened by the forwarding firm Thomas Cook & Sons in neutral Portugal for mail from occupied countries to be delivered to free countries, cover from Brussels, addressed to Florence Ashley, with German and British censors, Thomas Cook label affixed at their London office tied by their large oval cachet on 16 DEC 1940. The final address was included with the contents, Belgian and British franking, cover roughly opened, with faults, rare (Image)

Est.US$200