Countermark

https://rpc.ashmus.ox.ac.uk/countermark/278 
GIC 149
male bust l.
circular 
7 mm 
on reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VI, 2080 (temporary) Show 2124 1 6
Show 288
RPC VI, 30727 (temporary) Show 5082 2 6