Countermark

https://rpc.ashmus.ox.ac.uk/countermark/879 
GIC 743
denominational mark ·:S (on reverse)
shaped 
4–4.5 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1360 Show 1360 2 1
RPC I, 1360 Show 1360 9 1
RPC I, 1360 Show 1360 12 1