Countermark

https://rpc.ashmus.ox.ac.uk/countermark/136 
GIC 18
Mên, bust r., on crescent (circular or oval punch)
circular or oval 
c. 8 mm or c. 8 x 6 mm 
The Pisidian Antioch was noted for its important sanctuary of Mên Askenos 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 11648 (temporary) Show 2517 1 4.2
Show 148
Show 169
Show 156
Show 161
Show 197
Show 198
Show 199
Show 186
Show 431
Show 430
Show 48
RPC IV, 1462 (temporary) Show 2509 7 4.2
Show 289
Show 278
Show 277
Show 470
RPC I, 2231 Show 2231 13 1
Show 428
Show 145