This is the first German Rifle Grenade of WWII developed by the Luftwaffe
in 1940 (?) and saw use with paratroop units.
It has a 60mm shape charge warhead.
Gewehrgranäte zur Panzerbekämpfung ("rifle grenade
for fighting tanks")
Used in conjunction with the spigot launcher:
Schiessbecher mit Klappkorn ("discharge launcher with folding
There were two types: a blunt nose version (shown here) and a later
type with a tapered "standoff" nose cone design. It was superseded
in 1942 by the more familiar cup launcher.
Many thanks to Wolfgang for taking the time to
send me data on this grenade.
Now I just need to translate the German text!