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 2523 1 4.2
Show 151
Show 172
Show 159
Show 164
Show 201
Show 202
Show 203
Show 190
Show 434
Show 433
Show 49
RPC IV, 1462 (temporary) Show 2515 7 4.2
Show 293
Show 282
Show 281
Show 473
RPC I, 2231 Show 2231 13 1
Show 431
Show 148