Countermark

https://rpc.ashmus.ox.ac.uk/countermark/581 
GIC 457 ii
star of five (thick) spokes
circular 
4 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2285 Show 2285 2 2
RPC I, 4951 Show 4951 10 1
RPC I, 4951 Show 4951 13 1