Countermark

https://rpc.ashmus.ox.ac.uk/countermark/790 
GIC 662
Α?
circular 
6 mm 
Etenna (Pisidia)
as diameters of coins go from 23 to 31 mm, and weights from 6.72 to 18.23g, unlikely to be a denominational mark 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC V.3, — (number not assigned), type ID 74915 Show 712 1 5.3
RPC VI, 6070 (temporary) Show 5856 5 6
RPC VI, 6031 (temporary) Show 5807 4 6
RPC VI, 6059 (temporary) Show 5839 1 6
RPC VI, 6014 (temporary) Show 5792 1 6
RPC V.3, — (number not assigned), type ID 74905 Show 701 3 5.3
RPC VI, 6037 (temporary) Show 5826 7 6
RPC VI, 6051 (temporary) Show 5837 3 6