142031 1939 AIR MAIL LONDON TO NEW YORK WITH 2/6 SEAHORSE (SG450).

1939 AIR MAIL LONDON TO NEW YORK WITH 2/6 SEAHORSE (SG450). Envelope, very slight soiling at top, sent air mail London to New York, USA with fine 2/6 Seahorse (SG450) cancelled 'LONDON' 28 MAY 1939. (Ref 142031).