Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1421 
GIC —
B (in circular punch)
circular 
6 mm 
Uncertain Sicilian mint (Sicily)
on a coin of Panormus, but no evidence it was applied there 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 643 Show 643 11 1