Countermark

https://rpc.ashmus.ox.ac.uk/countermark/785 
GIC 658 ii
monogram P VAR (circular punch)
circular 
9 mm 
Circular punch 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 4394 Show 4394 3 1
RPC I, 4400 Show 4400 2 1