Countermark

https://rpc.ashmus.ox.ac.uk/countermark/592 
GIC 464
star and crescent
oval 
6 x 4 mm 
Cyzicus (Mysia)
May be the same as GIC 465 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 2237 (temporary) Show 232 1 4.2