Netherlands East Indies. (Japanese Naval Forces in Sumatra). Circa 1944. Stamp-less Field Post Office card written from the 'Japanese 25th Army at Fort de Kock, Sumatra reading 'Sumatra Haken Yumi' (Sumatra Expedition) with framed 'Ken'etsuzumi' (censored) in red with oval seal of "Yaguchi" on face addressed to Japan.
See note for transcript of message.
Ex Paul Bulterman's Prisoner of War collection.