1918-19 'WAR/STAMP' Overprints 2c orange with the Overprint Inverted SG 330a mint & used, and 5c magenta with the Overprint Inverted SG 334a mint & with the Overprint Double SG 334b used, Cat £280. (4)
POSTAL HISTORY: 1943 (July 11) usage of Forces formular aerogramme to Ontario endorsed "via Ceylon, Lagos, Brazil, USA, Canada" & with 'CANADA/AND USA/ONLY' h/s in violet, franked KGVI Pictorials 10c 15c 20c & 30c for the 75c Forces rate tied by dumb cancels formerly used on telegrams, faint RAF censor h/s, sender's endorsement ".../RCAF Ceylon/SECM". Very scarce: only a small Canadian contingent served in Ceylon during WWII.