Countermark

https://rpc.ashmus.ox.ac.uk/countermark/640 
GIC 513
Α•Κ
rectangular 
5.5 x 2.5 mm 
Perge (Pamphylia)
meaning of the letters is uncertain. Sometimes on reverse. Unlike GIC 334 (eagle) 513 is not found on the coins od Severus Alexander and was therefore the earlier of the two. 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VI, 6115 (temporary) Show 5765 2 6
RPC VI, 6117 (temporary) Show 5773 5 6
RPC VI, 6127 (temporary) Show 5771 2 6
RPC VI, 6123 (temporary) Show 5769 1 6
RPC VI, 6126 (temporary) Show 5779 17 6
RPC VI, 6111 (temporary) Show 5763 4 6
RPC VI, 6116 (temporary) Show 5770 2 6
RPC VI, 6117 (temporary) Show 5773 17 6
RPC VI, 6113 (temporary) Show 5776 1 6
RPC VI, 6121 (temporary) Show 5766 2 6
RPC VI, 6117 (temporary) Show 5773 4 6
RPC VI, 6125 (temporary) Show 5775 1 6
RPC VI, 6113 (temporary) Show 5776 3 6
RPC VI, 6112 (temporary) Show 5764 1 6
RPC VI, 6117 (temporary) Show 5773 7 6
RPC VI, 6117 (temporary) Show 5773 6 6
RPC VI, 6114 (temporary) Show 5780 2 6
RPC VI, 6126 (temporary) Show 5779 9 6
RPC VI, 6117 (temporary) Show 5773 19 6
RPC VI, 6117 (temporary) Show 5773 21 6
RPC VI, 6121 (temporary) Show 5766 4 6
RPC VI, 6126 (temporary) Show 5779 19 6
RPC VI, 6116 (temporary) Show 5770 5 6
RPC VI, 6117 (temporary) Show 5773 22 6
RPC VI, 6118 (temporary) Show 5778 2 6
RPC VI, 6121 (temporary) Show 5766 6 6
RPC VI, 6111 (temporary) Show 5763 5 6
RPC VI, 6117 (temporary) Show 5773 29 6
RPC VI, 6115 (temporary) Show 5765 3 6