Countermark

https://rpc.ashmus.ox.ac.uk/countermark/812 
GIC 691
Χ? (on reverse)
square 
3 x 3 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 1237 Show 1237 1 2
RPC II, 1237 Show 1237 2 2