Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1182 
GIC
ΜΑ, turreted head of Tyche, r.
circular 
7.5 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 1331 (temporary) Show 1824 4 4.2
RPC VIII, — (number not assigned), type ID 20367 Show 1091 18 8
RPC VIII, — (number not assigned), type ID 20359 Show 1084 2 8