Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1760 
GIC —
+ or X (cross) in 10 mm circular punch
circular 
10 mm 
Uncertain (Uncertain)
no certainty an RPC cmk 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 173