Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1405 
GIC
star (or rosette) of six rays
circular 
3.5 mm 
although the cmk is similar to the design of GIC 432, gepgraphical separation likely makes them as two different cmk's? 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1283 Show 1283 1 1
RPC I, 1283 Show 1283 7 1
RPC I, 1283 Show 1283 2 1
RPC I, 1283 Show 1283 8 1
RPC I, 1283 Show 1283 9 1
RPC I, 1283 Show 1283 12 1
RPC I, 1283 Show 1283 16 1
RPC I, 1283 Show 1283 17 1
RPC I, 1283 Show 1283 5 1
RPC I, 1283 Show 1283 18 1
RPC I, 1283 Show 1283 15 1
RPC I, 1283 Show 1283 14 1
RPC I, 1283 Show 1283 13 1
RPC I, 1283 Show 1283 6 1
RPC I, 1283 Show 1283 11 1