Countermark

https://rpc.ashmus.ox.ac.uk/countermark/215 
GIC 94
laureate head r. (do not use)
oval 
GIC noted that GIC 94 might belong to GIC 93 (of Thyatira). This was confirmed as the Vienna coin GR 19681 (Medallion), under 'Tralles' now regarded as a heavily tooled coin of Thyatira 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber