Countermark

https://rpc.ashmus.ox.ac.uk/countermark/766 
GIC 643
monogram ΧωΡ or ΧƐΡ
circular (or slightly oval) 
5 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 2374 Show 2374 27 1
RPC I, 2374 Show 2374 43 1