This is a Stampless 'On Active Service' Cover from the Boer War.  It was taxed due 1d with a Civilian Censor, and Counter-Signed.  FPO 38, JU 19, 01.  It was sent to Capetown with several cancels in transit.
Ex Rich.
This item is over $100 USD so I will ship it using priority or registered mail.
This is a Boer War FPO cancel 44, dated May 16, 1902.  It's on a pair of GB 1 Shilling stamps, SG. 229 Dull Green and Carmine.  This is valued at L220++ in the Stanley Gibbons Catalog.
Ex Rich.
This item is over $100 USD so it will be shipped using priority or registered mail.