Countermark

https://rpc.ashmus.ox.ac.uk/countermark/161 
GIC 40
ΑΥΤΟΚ | ΑΝΤωΝƐΙ, Caracalla?, head r., caduceus below, all in a dotted circle
circular 
c. 10 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 609 (temporary) Show 920 7 4.2
RPC IV, 609 (temporary) Show 920 4 4.2
RPC IV, 2369 (temporary) Show 926 3 4.2
RPC V.2, — (number not assigned), type ID 21787 Show 2211 1 5.2
RPC V.2, — (number not assigned), type ID 28283 Show 2214 1 5.2
RPC V.2, — (number not assigned), type ID 590 Show 2217 2 5.2
Show 371
RPC V.2, — (number not assigned), type ID 590 Show 2217 4 5.2