1935 AIRMAIL LONDON TO BUENOS AIRES, ARGENTINA WITH 2/6 SEAHORSE (SG450) AND 1S (SG429). Envelope sent airmail London to Buenos Aires with 2/6 seahorse (SG450), several short perforations at foot also KGV 1s (SG429) with 'STOCKWELL/S.W.9' cancellation 1 FEB 1935. Apparently underpaid, should have been 4s. On reverse Argentine receiver 8.2.1935. (Ref 142048).
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