cover 1915-18, the study of Army Post Office and censor markings employed during the campaigns in Salonica and Corfu, comprising envelopes (10), cards (82) and other associated postal forms (3), showing the wide usage of the A.P.O. "999" c.d.s. including incoming mail from North Africa and Saigon, we also note several unrecorded sectional postal numbers including "SP.80" in violet, 1916 card from the Serbian forces at the Salonica front bearing two Greek adhesives; Serbian P.O. in Corfu "POSTES SERBES" straight-line h.s. on French 40c. pair and single 50c. (both affixed to envelopes), and similar cancellation on three Greek adhesive pairs, also affixed to an envelope. Also a small group of stationery cards (11) from the 1876-78 Serbo-Turkish war. An excellent assembly.