Japanese WW2 Type 99 Aerial Bomb Brass Fuse

A very rare fuse used on Japanese aerial ordnance weighing less than 100 kg/220 lbs. It was designed to be set for various burst heights including short delay or instantaneous, depending on the intended target. It is complete and full of great Kanji. Made at Osaka depot in Showa 17 (1943). Completely inert but can not be shipped outside the US.