Wartime air mail from Trinidad: 25 MAR 1943 reg. a/m cv ex TRINIDAD to HAIFA, franked 86c (front/back) & tied by 3 strikes of local REGISTRATION GPO pmk on front + 1x on back; opened/resealed by Examiner 1572 - probably local as Trinidad + Bermuda were 2 main censorship locations for Imperial international mail & tied by Trinidad "IE" censor mark; lacking US transit marks, cv probably carried south by Pan-Am Carribean route via GEORGETOWN British Guyana, where connected to transatlantic FAM-22 route bet. NATAL - FISHERMAN'S LAKE - LAGOS (b/s 6 AP 43 REG LAGOS transit + "half moon" D-shaped censor on front); then possibly by air via BOAC to CAIRO, where censored on front; here via BOAC to BEYROUTH (b/s 20 IV 43 transit) where front stamped "NON CONTROLE" (i.e. not opened by censor) & by rail to HAIFA (b/s next day REG HAIFA arr.) where passed H31 censor (aligns w/period of Sacher's LKD of use). Slit open at left.