Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1489 
GIC
capricorn r. in rectangular punch
rectangular 
4 x 3.3 mm 
on obverse. separate type given due to time and geographic distance 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 2385 Show 2385 5 1
RPC I, 2385A Show 2385 6 1
RPC I, 2387 Show 2387 4 1
RPC I, 2388B Show 2388 1 1