Countermark

https://rpc.ashmus.ox.ac.uk/countermark/880 
GIC 744
denominational mark Α
circular 
Corinth (Corinthia)
In GIC C. 3470 noted and included. Also P. CP24 Galba 7.12g and BM unidentified civic 7.48 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1216 Show 1216 1 1
RPC I, 1215 Show 1215 42 1
RPC I, 1212 Show 1212 13 1