Countermark

https://rpc.ashmus.ox.ac.uk/countermark/801 
GIC 678
Ν
circular 
c. 6-6.5 mm 
Patras (Peloponnesus)
On obverse. compare GIC 677, where the punches seem to be smaller and the probably form a different group 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1253 Show 1253 28 1
RPC I, 1269 Show 1269 1 1
RPC I, 1273 Show 1273 1 1
RPC I, 1282 Show 1282 5 1
RPC I, 1282 Show 1282 17 1