1940 AIRMAIL LONDON TO ARGENTINE 5S RED (SG477) UNDELIVERED AND RETURNED TO SENDER. Envelope sent airmail London to Buenos Aires, Argentine, South America with 5s red (SG477) cancelled London 26 MR 40, at left 'OPENED BY EXAMINER 4117' label. Delivery not possible with various return to sender handstamps on front. On reverse Buenos Aires dates stamps 4th and 5th April 1940, returned to sender with 'LONDON F.S.' date stamp 2 SP 40. Fine usage. (Ref 143213).
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