Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1143 
GIC —
cantharus or vase (?)
rectangular 
4.5 x 3 mm 
Uncertain (Uncertain)
on a coin of Cyzicus 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 2244 Show 2244 25 1