1936 MAIL MIDLOTHIAN TO ARGENTINA/10S RE-ENGRAVED SEAHORSE (SG452). Envelope from Midlothian to Argentina, South America with 10s re-engraved Seahorse (SG452), perforation faults, also KGV 6d (SG426a) and 9d (SG427) x 2 cancelled 27 FEB 1936 with German "LUFTPOST..." cachet in red. Envelope apparently returned to Barnton in the UK and back stamped LONDON 31 MCH 1936. (Ref 108588).