Original Japanese WWII Type 100 20mm Round for the Type 97 Anti-tank Rifle with Cardboard Tube Japanese Uniforms Additional marks of interest include

Additional marks of interest include inspectors' and proof marks around the breech end of the barrel: a capital I on the top

like others from this period bearing that inspection mark

000 M1860 Carbines

mainly in the middle

Original Japanese WWII Type 100 20mm Round for the Type 97 Anti-tank Rifle with Cardboard Tube Japanese Uniforms Additional marks of interest includeOriginal Item: Only One Available. This is an excellent inert demilitarized genuine Japanese WWII Type 100 20mm solid steel armor piercing tracer (AP T) Anti Tank Round for the Japanese Type 97 Automatic Cannon Anti tank rifle. This is the second version of AP T round for the Type 97, and used a harder grade of steel for better penetration. It comes complete in its brass casing and original packaging. The round is totally inert and unable to be used