Description

1919(Feb 2) Plain stampless envelope to Manchester endorsed bottom left from Air Mechanic with 207 Sdn. RAF, BEF with oblong Censor 6541 (Type CM 6) & cancelled APO S. (probably 40) because RAF Sqn 207 was stationed at Merheim 1 Jan – 9 May 1919 which is very close to Cologne where APO S. 40 was…See:-The Squadrons of the RAF by James Ha.lley