Countermark

https://rpc.ashmus.ox.ac.uk/countermark/150 
GIC 30
ΚΟΤΙ before laureate bust r. (Antonine emperor?)
circular 
9 mm 
Applied twice on one example 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 9978 (temporary) Show 4107 2 4.2
RPC IV, 9978 (temporary) Show 4107 8 4.2
RPC IV, 9978 (temporary) Show 4107 5 4.2
RPC IV, 9978 (temporary) Show 4107 1 4.2
RPC IV, 9978 (temporary) Show 4107 6 4.2
RPC IV, 9978 (temporary) Show 4107 7 4.2
RPC IV, 9978 (temporary) Show 4107 4 4.2
RPC IV, 9978 (temporary) Show 4107 3 4.2
RPC IV, 9978 (temporary) Show 4107 9 4.2
RPC IV, 9978 (temporary) Show 4107 10 4.2
RPC IV, 9978 (temporary) Show 4107 11 4.2