Countermark

https://rpc.ashmus.ox.ac.uk/countermark/267 
GIC 140
laureate, bearded (?) bust r.
square 
4 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 6338 (temporary) Show 2506 1 4.3
RPC IV, 3797 (temporary) Show 2553 1 4.3