Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1241 
GIC —
ΘΕ and unidentified letters or objects
rectangular with curved corners 
12 x 3.5 mm 
Koinon of Thessaly (Thessaly)
compare GIC 707 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1428 Show 1428 18 1