Original Japanese WWII Trench Art Headband with Attached Cap Badge - 28" x 8" German Decals however the blade ricasso is

however the blade ricasso is still faintly marked:

69" to approximately 12 bore / gauge

It was based on the French F1 grenade and contained a 60 gram explosive charge (TNT)

Type B-4 life preserver and size 8 1/2 wool/leather gloves

but it is possible that this gun was originally in

Original Japanese WWII Trench Art Headband with Attached Cap Badge - 28" x 8" German Decals however the blade ricasso isOriginal Item: One of a kind. Just purchased from a Pacific War collector at a military show! Here we have a wonderful piece of Japanese WWII "Trench Art", in the form of what we believe is a headband, or possibly just a good luck charm to be folded up and put in a pocket. It measures 28" x 8", and has 6 large Japanese characters drawn on it, surrounding a small square "Mt. Fuji" landscape drawing, as would be seen from Tokyo Bay. Around this is