Countermark

https://rpc.ashmus.ox.ac.uk/countermark/207 
GIC 86
male head r. (Caracalla?)
oval 
5 × 4 mm 
Uncertain (Uncertain)
Possibly a cmk of Thyatira (GIC 93). Both cities stuck coins of this type 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber