1941 censored envelope addressed to Newark, New Jersey. Franked 2pi & 10pi adhesives tied 'SUDAN AIR MAIL KHARTOUM' c.d.s. '17 X 41' Triangular civil censor type 378 'PASSED CENSOR 17' in black. 'SUDAN 9 CENSORSHIP' label. Carried on the transpacific route. Receiving cancellation on the reeverse.