Original U.S. 1960s Extreme Velocity 20mm Fuze Military Test Round Made With Modified WWII 40mm Casing Russian Artwork & Posters which reads RPB for Robert

which reads RPB for Robert P

some of which were later stamped over

measuring over 32”

The canvas carrier is in good condition with solid straps though the bottom leather strap is torn

Markus came up with the invention when he was living in Minnesota

Original U.S. 1960s Extreme Velocity 20mm Fuze Military Test Round Made With Modified WWII 40mm Casing Russian Artwork & Posters which reads RPB for RobertOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with hollow body and inert fuses. This is a display piece and is not filled with any explosive content, nor can it be converted into an explosive device. Unloaded or dummy grenades, artillery shell casings, and similar devices, which are cut or drilled in an BATF approved manner so that they cannot be used as ammunition components for destructive devices,