Countermark

https://rpc.ashmus.ox.ac.uk/countermark/323 
GIC 196
draped bust of Artemis, r.
rectangular 
In GIC as 'Tyche?, bust r.' 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 1665 Show 1665 2 3
RPC III, 1662 Show 1662 2 3