Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1001 
GIC 63 .1
male bust r.
circular 
9 mm 
Kingdom of the Bosporus (Bosporus)
perhaps from the same group as GIC 148 (bust facing l.) 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IX, 205 Show 205 93 9