Netherlands East Indies. (Japanese Naval Forces in Sumatra). Cira 1944. Stamp-less Naval Field Post Office card written from Kostaradja, Sumatra headed 'Sasebo Naval Base Post Office' reading "Dai Ichi Gunyo Yubinsho' (1st Naval Post Office) addressed to 'Miya Kalgun Kokutai (Miya Navy Air Base, Japan' with framed 'Ken' etsuzumi' (censored) in red and oval seal of "Takahata" on face.
Ex Paul Bulterman's Prisoner of War collection.