Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1656 
GIC —
laureate (?) head r. (on reverse)
oval 
5 x 4 mm 
Uncertain (Uncertain)
although both on blank reverses seem different from cmk 1375 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 108