Countermark

https://rpc.ashmus.ox.ac.uk/countermark/478 
GIC 358
dolphin
circular (or slightly oval) 
8 mm 
Pergamum (Mysia)
 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 1716 Show 1716 4 3