COVERS WITH NEGATIVE POSTMARKS INC. PERSONAL SEAL OF SULTAN ABDELAZIZ - c1902 front and one flap from Tangier and apparently impressed with the personal seal of Sultan Mulai Abdelaziz, plus a group of mail with octagonal negative seals in violet or black and one in blue used from a range of cities. Also a group (13) of WWI/WWII French Morocco inc. POW items and a few stamps c1920. (30 covers, 28 stamps) Cross Reference: MILITARY - P.O.W. MAIL, MILITARY - WWI, MILITARY - WWII (Image)