Countermark

https://rpc.ashmus.ox.ac.uk/countermark/402 
GIC 280
figure holding sceptre or spear
rectangular 
might be the same as GIC 245 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2023 Show 2023 47 2
RPC I, 4307 Show 4307 15 1