Countermark

https://rpc.ashmus.ox.ac.uk/countermark/586 
GIC 462
star and date (ΘΞϹ, ΑΟϹ, ΓΟϹ, or ΔΟϹ)
rectangular 
9 x 6 mm 
AD 208, 210, 212, 213 respectively. On reverse. As 462i, 462ii, 462iii, 462iv 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 270