Countermark

https://rpc.ashmus.ox.ac.uk/countermark/532 
GIC 410
galley
Rectangular punch, c. 4.5 × 6.5 mm. On reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 2226 Show 2226 10 2
RPC II, 2226 Show 2226 12 2
RPC II, 2226 Show 2226 15 2
RPC II, 2226 Show 2226 17 2
RPC II, 2226 Show 2226 24 2
RPC II, 2226 Show 2226 25 2
Show 117