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 6741 2 6
RPC VI, 7137 (temporary) Show 6762 5 6
RPC VI, 7137 (temporary) Show 6762 4 6
RPC VI, 7113 (temporary) Show 6784 3 6
RPC VI, 7091 (temporary) Show 6742 1 6
RPC VII.2, 3023 Show 3023 1 7.2
RPC VI, 7105 (temporary) Show 6779 6 6
RPC X, — (number not assigned), type ID 88146 Show 4093 1 10
RPC X, — (number not assigned), type ID 88264 Show 4084 1 10
RPC X, — (number not assigned), type ID 60599 Show 4097 5 10
RPC VI, 7091 (temporary) Show 6742 10 6