1940 AIR MAIL LONDON TO USA/2/6 BROWN (SG476). Envelope (236 x 159), some creasing which affects several stamps, London to New York, USA with 6d purple (SG470), 1s bistre-brown (SG475) x 2 and 2/6 brown (SG476) x 2 cancelled LONDON date stamps 11 DEC 40. Censor label at left. (Ref 109670).