Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1181 
GIC
star with central pellet and five "droplet" rays
circular 
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
RPC II, 2803 Show 2803 14 2