135810 1942 AIR MAIL FROM 'F.P.O. 4', CANADIAN FORCES IN THE UK, TO LONDON WITH KGVI 2S 6D BROWN (SG476) X 3.

1942 AIR MAIL FROM 'F.P.O. 4', CANADIAN FORCES IN THE UK, TO LONDON WITH KGVI 2S 6D BROWN (SG476) X 3. Envelope, 241 x 163, some creasing and contemporary ink sent air mail to London with strip of three KGVI 2s 6d brown (SG476) cancelled light strikes 'ARMY POST OFFICE/F.P.O. 4', Canadian Forces in the UK, listed by Proud but seen by him. (Ref 135810).