Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1297 
GIC —
diademed bust of King r., in ovoid hexagonal punch
ovoid 
7 x 4.5 mm 
Kingdom of the Bosporus (Bosporus)
 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1924A Show 1924 4 1