Countermark

https://rpc.ashmus.ox.ac.uk/countermark/250 
GIC 122
does not exist
It was incorrectly attributed by Rosenberger, Eastern Palestine Medaba 13 as a coin of Severus Alexander of Medaba. The coin of Alexander from Irenopolis - and the cmk is GIC 105 (laureate head r.) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber