Original U.S. WWII Inert MkII Pineapple Fragmentation Grenade with M10A3 Fuze U.S. Flare Guns The very bottom is marked

The very bottom is marked Robert J

but it's good enough that it should have been

and it's possible that the "N

We have not even removed the small amount of rust still to be found on the blade among the general staining

Original U.S. WWII Inert MkII Pineapple Fragmentation Grenade with M10A3 Fuze U.S. Flare Guns The very bottom is markedOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with hollow body and inert fuse. This grenade cannot be converted to an explosive device and is not available for export. This is a nice inert practice example of the iconic U. S. fragmentation pineapple grenade issued during WWII. The Mk II was standardized in 1920 replacing the Mk I of 1917. It was phased out gradually, the U. S. Navy being the last