Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1022 
GIC 722 .1
monogram with letters Π, Υ, Ε and Μ
square 
5 mm 
in GIC monogram was "uncertain". Better specimens have given detail 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 1692 Show 1692 13 2
RPC II, 1692 Show 1692 14 2
RPC II, 1692 Show 1692 3 2
RPC II, 1692 Show 1692 6 2
RPC II, 1692 Show 1692 7 2
RPC II, 1692 Show 1692 8 2
RPC II, 1692 Show 1692 9 2
RPC II, 1692 Show 1692 10 2