Countermark

https://rpc.ashmus.ox.ac.uk/countermark/445 
GIC 323
eagle r., wings half open, standing on a club or thunderbolt
circular 
6 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 887 Show 887 5 2
RPC II, 887 Show 887 6 2
RPC II, 887 Show 887 7 2