All sizes of the mine are the same as the C3 Drill version.

The spotting charge in the photos has the following markings :
CHARGE SPOTTING 10/79 MINE C3 LOT HCI 3-10
The charge itself has these measurements:

Length : 58mm
Diameter top : 36.5mm
Height cap : 17mm
Weight : 80gram
Diameter charge : 26.5mm

Photos © M. Jochoms.