Countermark

https://rpc.ashmus.ox.ac.uk/countermark/143 
GIC 25
Eastern potentate, bust r., wearing diademed tiara
oval 
10 x 8 mm 
An attribution to Edessa is suggested by comparison with GIC 26. This is compatible with its presence in the Brunk hoard 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 57