Original U.S. WWII Inert MkII Pineapple Grenade with Yellow Ring & M10A3 Fuze Japanese Military Maps The lock plate also has

The lock plate also has some lovely scroll engraving

while the left grip is smooth

The lock holds at half cock

and 17 infantry and 3

most likely the original manufacture date of the case itself

Original U.S. WWII Inert MkII Pineapple Grenade with Yellow Ring & M10A3 Fuze Japanese Military Maps The lock plate also hasOriginal Item: Only One Available. This is a wonderful example of an American MkII Pineapple grenade. This example is in great shape and is affixed with an M10A3 fuze. This example also retains most of the lovely yellow ring around the neck. Like all deactivated ordnance, this grenade is Not Available for Export. This is an iconic U. S. fragmentation pineapple grenade issued during WWII. The Mk II was standardized in 1920 replacing the Mk I of 1917.