Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1509 
GIC
star (or rosette) of eight rays with central pellet
circular 
6.5–7 mm 
Different from GIC 436 as host coin not from Olbia (Samartia) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 161