This British issue anti-tank grenade, also known as Energa, was originally purchased from the Belgians to be fired from the No 4 .303 Rifle, made in Belgium by Mecar. These are early practice versions. They have a steel head are black and carry white markings.
The Dover museum holds three of these all slightly different.
a] Marked “TRAINING RIFLE GRENADE ENERGA”
b] Marked “GREN RIFLE AT 94 MK2” has a yellow band then marked “4-53” (denoting April 1953)
c] Marked “GREN RIFLE AT 94 MK2” has a green band the marked “5-54” (denoting May 1954)