Countermark

https://rpc.ashmus.ox.ac.uk/countermark/470 
GIC 350
peacock, tail down
square 
5 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 2684 Show 2684 2 1
RPC I, 2684 Show 2684 4 1
RPC I, 2684 Show 2684 5 1