Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1146 
GIC
corn ear?
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 1810A Show 1810 2 3
RPC III, 1810A Show 1810 3 3
RPC III, 1810A Show 1810 1 3