1936 MAIL LONDON TO BRAZIL/5S SEAHORSE (SG451). Envelope London to Sao Paulo, Brazil with 5s Seahorse (SG451), perf imperfections, also 1s bistre-brown (SG429) x 2 cancelled LONDON date stamps 7 MR 36. Via the French route and on reverse SAO PAULO receiver 14.III.36. (Ref 104774).