Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1343 
GIC
head r.
oval 
6.5 x 5 mm 
on obv. on coins of Aspendus 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 3382 Show 3382 3 1
RPC I, 3381 Show 3381 5 1