Description
1944 AIR MAIL LONDON TO CURITIBA, BRAZIL WITH 2/6 YELLOW-GREEN (SG476b). Envelope sent 'BY NORTH ATLANTIC AIR SERVICE' London to Curitiba, Brazil with KGVI 1s bistre-brown (SG475) and fine 2/6 yellow-green (SG476b) cancelled 'LONDON' date stamp 23 FEB 1944. On reverse receivers date stamp 12 3 44. (Ref 135892).
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