Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Books & Films The obverse gilt central disc

The obverse gilt central disc bore the crown of Prussia

marked eeh / 44

The steel end nut shows marring from being tightened

and also the author of the seminal work A Study of the Colt Single Action Revolver

the re-siting of the fuel tank and ease of transport

Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Books & Films The obverse gilt central discOriginal Item. Only One Available. The Mk 1 grenade (sometimes spelled Mk I) is a fragmentation hand grenade used by American forces during World War I. According to its designers, it was to be the "simplest", yet most "fool proof", grenade ever made. However, some major problems appeared when the grenade was used in the field. It was retired from service before the war ended, replaced in 1918 with the improved Mk 2 grenade used through World War II.