Countermark

https://rpc.ashmus.ox.ac.uk/countermark/125 
GIC 9
Helios, radiate bust r.
oval 
5 x 3 mm 
Helios had a temple at Philadelphia (SNG vA 3081 ). The countermarking is possibly to be connected with the Δεῖα Ἅλία held there under Caracalla (BMC p. 202, 87; CIG 3428) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC V.2, — (number not assigned), type ID 70542 Show 3908 17 5.2
RPC V.2, — (number not assigned), type ID 70542 Show 3908 15 5.2
RPC V.2, — (number not assigned), type ID 70542 Show 3908 13 5.2
RPC V.2, — (number not assigned), type ID 70542 Show 3908 3 5.2
RPC V.2, — (number not assigned), type ID 70552 Show 3914 5 5.2
RPC V.2, — (number not assigned), type ID 70542 Show 3908 27 5.2
RPC V.2, — (number not assigned), type ID 70552 Show 3914 8 5.2
RPC V.2, — (number not assigned), type ID 70620 Show 3912 1 5.2
RPC V.2, — (number not assigned), type ID 70558 Show 3907 9 5.2
RPC V.2, — (number not assigned), type ID 70800 Show 3922 1 5.2
RPC V.2, — (number not assigned), type ID 70808 Show 3920 7 5.2
RPC V.2, — (number not assigned), type ID 70800 Show 3922 5 5.2
RPC V.2, — (number not assigned), type ID 70558 Show 3907 3 5.2