Countermark

https://rpc.ashmus.ox.ac.uk/countermark/459 
GIC 339
eagle r. or l., head l. or r.
circular 
7–8 mm 
Tarsus (Cilicia)
As 339i and 339ii. GIC suggested that the countermarks were applied no later than Gallus, but subsequent examples are on coins of Valerian, Gallienus and Salonina. 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VII.2, 3110 Show 3110 9 7.2
RPC VII.2, 3021 Show 3021 8 7.2
RPC VII.2, 2997 Show 2997 5 7.2
RPC VI, 7078 (temporary) Show 6821 2 6
RPC VI, 7137 (temporary) Show 6842 5 6
RPC VI, 7137 (temporary) Show 6842 4 6
RPC VI, 7113 (temporary) Show 6864 3 6
RPC VI, 7091 (temporary) Show 6822 1 6
RPC VII.2, 3023 Show 3023 1 7.2
RPC VI, 7105 (temporary) Show 6859 6 6
RPC X, — (number not assigned), type ID 88146 Show 4136 1 10
RPC X, — (number not assigned), type ID 88264 Show 4127 1 10
RPC X, — (number not assigned), type ID 60599 Show 4140 5 10
RPC VI, 7091 (temporary) Show 6822 10 6
RPC X, — (number not assigned), type ID 60574 Show 4130 5 10