Countermark

https://rpc.ashmus.ox.ac.uk/countermark/231 
GIC 108
Domitian, laureate head r.
oval 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 3927 Show 3927 8 1
Show 144
RPC I, 3908 Show 3908 7 1