Imperial Japanese Army Wooden Storage Case, WWI/WWII Era

Oak wooden instrument case from the Imperial Japanese Army, stenciled in black with kanji markings indicating Type 40 (Meiji Year 40 = adopted 1907), instrument designation, and serial number No. 321. Features original brass hinges, brass latch, and green wool/felt interior lining. The instrument itself is absent. Solid construction with period-appropriate wear. A rare and desirable piece of Japanese militaria.