Countermark

https://rpc.ashmus.ox.ac.uk/countermark/531 
GIC 409
galley
Rectangular punch, c. 4 × 5 mm 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2310 Show 2310 2 2
RPC II, 2311 Show 2311 37 2
RPC II, 2311 Show 2311 13 2
RPC II, 2311 Show 2311 27 2
RPC II, 2311 Show 2311 28 2
RPC II, 2311 Show 2311 36 2
RPC II, 2312 Show 2312 15 2
RPC II, 2311 Show 2311 47 2
RPC II, 2311 Show 2311 48 2
RPC II, 2313 Show 2313 50 2