Auction #4 World Coins & Medals + Specialized Holyland Postal History

British WWI military mail in Egypt: 31 AU 1916 stampless "certified official" OHMS stationary cv ex BAPO Z (ALEXANDRIA) to Fleet Paymaster LONDON, tied by scarce BAPO Z LOD (local office delivery) Proud-D1 pmk on his EKD of use, on front & same day BAPO Z on back; endorsed by officer & passed censor; f/s 12 SEP 1916 DC "Naval Air Service Mail Office London" arr.; opened gently at back,
Feldpost - Britisches Weltreich Erster Weltkrieg
דואר צבאי - אימפריה בריטית במלחמת העולם ה-1