Countermark

https://rpc.ashmus.ox.ac.uk/countermark/587 
GIC 462 i
star and date ΘΞϹ
rectangular 
9 x 6 mm 
AD 208. On reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC V.3, — (number not assigned), type ID 68274 Show 5189 1 5.3
RPC V.3, — (number not assigned), type ID 68316 Show 5177 1 5.3
RPC V.3, — (number not assigned), type ID 68277 Show 5197 1 5.3
RPC V.3, — (number not assigned), type ID 68277 Show 5197 2 5.3
RPC V.3, — (number not assigned), type ID 68249 Show 5192 6 5.3