Countermark

https://rpc.ashmus.ox.ac.uk/countermark/920 
GIC 805
denominational mark Ɛ
Circular punch, c. 6–8 mm 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC VIII, — (number not assigned), type ID 20375 Show 1232 4 8
RPC VI, 6906 (temporary) Show 6362 26 6
RPC VI, 6391 (temporary) Show 6016 3 6