Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1268 
GIC
uncertain head (of Apollo or Cleopatra?), r. in oval punch
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 4216 Show 4216 3 1
RPC I, 4216 Show 4216 4 1
RPC I, 4216 Show 4216 12 1
RPC I, 4216 Show 4216 13 1
RPC I, 4216 Show 4216 15 1
RPC I, 4216 Show 4216 17 1
RPC I, 4220 Show 4220 3 1