Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1169 
GIC
N in circular punch
circular 
3.5 mm 
not connected with GIC 678 (smaller diameter) or GIC 679 (rectangular punch) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 2326 Show 2326 4 1
RPC I, 2325 Show 2325 1 1
RPC I, 2326 Show 2326 2 1
RPC I, 2326 Show 2326 10 1
RPC I, 2326 Show 2326 11 1