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 4077 2 4.2
RPC IV, 9978 (temporary) Show 4077 8 4.2
RPC IV, 9978 (temporary) Show 4077 5 4.2
RPC IV, 9978 (temporary) Show 4077 1 4.2
RPC IV, 9978 (temporary) Show 4077 6 4.2
RPC IV, 9978 (temporary) Show 4077 7 4.2
RPC IV, 9978 (temporary) Show 4077 4 4.2
RPC IV, 9978 (temporary) Show 4077 3 4.2
RPC IV, 9978 (temporary) Show 4077 9 4.2
RPC IV, 9978 (temporary) Show 4077 10 4.2