Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1512 
GIC
star of six rays, pellet in each segment
circular 
6.5–7 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 798 Show 798 21 1
RPC I, 807 Show 807 9 1
RPC I, 798 Show 798 22 1