Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1223 
GIC
ΗΡΑΚ
rectangular 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1657 Show 1657 29 1
RPC I, 1657 Show 1657 34 1
RPC I, 1657 Show 1657 40 1
RPC I, 1657 Show 1657 41 1