Countermark

https://rpc.ashmus.ox.ac.uk/countermark/940 
GIC 822
denominational mark Η
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 4871 (temporary) Show 3955 1 4.1
RPC IV, 3878 (temporary) Show 2866 34 4.1
RPC IV, 3878 (temporary) Show 2866 38 4.1