Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1181 
GIC
star with five "droplet" rays in circular punch of 5 mm
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2803 Show 2803 7 2
RPC II, 2803 Show 2803 4 2