Countermark

https://rpc.ashmus.ox.ac.uk/countermark/259 
GIC 132
Hadrian, laureate bust r.
rectangular (or square?) 
6 x 6 mm 
might have been applied as GIC 242 (Phoenician?) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2021 Show 2021 47 2
RPC I, 4318 Show 4318 15 1
Show 227
RPC II, 2023 Show 2023 12 2
Show 173
Show 125
RPC II, 2016 Show 2016 29 2
RPC I, 3868 Show 3868 42 1
RPC II, 2016 Show 2016 31 2