Countermark

https://rpc.ashmus.ox.ac.uk/countermark/176 
GIC 55
male head r.
circular 
4 mm 
On reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 3486 (temporary) Show 1201 9 4.1
RPC IV, 3486 (temporary) Show 1201 2 4.1
RPC IV, 3486 (temporary) Show 1201 27 4.1
RPC IV, 3486 (temporary) Show 1201 12 4.1
RPC III, 618 Show 618 8 3
RPC III, 618 Show 618 11 3
RPC III, 620 Show 620 31 3