Countermark

https://rpc.ashmus.ox.ac.uk/countermark/925 
GIC 811 ii
denominational mark Ϛ
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VIII, — (number not assigned), type ID 20464 Show 1187 5 8
RPC VIII, — (number not assigned), type ID 20464 Show 1187 8 8