Army Postal Service
The Field Post Office at Sevastopol (c.1857). During the Crimean War.
The Indian army in Sarawak 1941/2 By Edward B Proud. Copyright is reserved by the International Postal Museum. www.internationalpostalmuseum.com
The New York post office during the War years 1941-1945.
The Royal Engineers Postal Section. Salonica, 1917.
WWI picture postcard at Coetquidan