Canada : Military mail on covers. Five interesting items incl 2 covers & letters sent in WWI from a field Post Office, one is censured. A cover sent from a FPO in WWII, a P.O.W letter in French from a Canadian Prisoner.Of.War. in Germany. The real surprise is a piece of P.O.W mall mailed with Canada by an internee (cost value $100). Suggested bid $150 cdn (Image)