Countermark

https://rpc.ashmus.ox.ac.uk/countermark/251 
GIC 123
male head r.
circular or oval 
4.5 mm or 5 x 4 mm 
the cmk on coins of RPC I, 4831 appear oval whereas the cmks on coins of RPC I, 4832 appear circular 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 4831 Show 4831 1 1
RPC I, 4831 Show 4831 2 1
RPC I, 4831 Show 4831 3 1
RPC I, 4831 Show 4831 4 1
RPC I, 4831 Show 4831 5 1
RPC I, 4832 Show 4832 1 1
RPC I, 4832 Show 4832 2 1
RPC I, 4832 Show 4832 3 1
RPC I, 4831 Show 4831 6 1
RPC I, 4832 Show 4832 4 1
RPC I, 4832 Show 4832 5 1