On the back of a cover sent to Toronto from 4th Canadian Infanfry Reinforcement Unit posted at APO SC2 Manchester, England, on 30th May 1943, is a 41mm d/r "Orderly Room / No.1 Ship's Conducting Staffs / Embarkation Transit Camp" dated 21 May 1943
Due to the nine day difference was the letter written on board a troop ship and posted in England
Were was the Transit Camp? was it in Halifax, Nova Scotia?