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 146
Show 167
Show 154
Show 159
Show 195
Show 196
Show 197
Show 184
Show 429
Show 428
Show 48
RPC IV, 1462 (temporary) Show 2509 7 4.2
Show 287
Show 276
Show 275
Show 468
RPC I, 2231 Show 2231 13 1
Show 426
Show 143