1919 post-WWI Egypt franked British army pm cv to Sergeants Mess at Savoy Hotel
British WWI military mail in Egypt: 8 NO 1919 local CAIRO embossed pre-paid stationary printed matter cover to Sergeants Mess at Savoy Hotel, pre-franked 2m & tied by local civilian post office postmark, backstamped same day APO SZ10(?) transit using either Proud-D1 State4 or D2 + FPO GM (GHQ MEF) using Proud-D6; unsealed per printed matter regulations - scarce rate, especially via military post.