1940 REGISTERED AIRMAIL LONDON TO SAO PAULO, BRAZIL 3d (SG467) 2/6 BROWN (SG476) 10s DARK BLUE (SG478) X 2. Envelope sent registered airmail London to Sao Paulo, Brazil 3d violet (SG467) some creasing, 2/6 brown (SG476) good used and 10s dark blue (SG478) x 2 tied good strikes 'REGISTERED/WORMWOOD ST' date stamps 20 MCH 40. Slight creasing mainly clear of stamps, fine franking. (Ref 143211).