Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1479 
GIC —
Α or Λ
circular 
6 mm 
Adana (Cilicia)
on a coin of Adana, not certain applied there 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VIII, — (number not assigned), type ID 2047 Show 2390 4 8