Countermark

https://rpc.ashmus.ox.ac.uk/countermark/490 
GIC 370
Telesphorus (on obverse)
oval 
4 x 2.5 mm 
'amphora?' in GIC – but CGT pointed out that Telesphorus is quite clear on new specimens 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 1812 Show 1812 11 3
RPC III, 1812 Show 1812 9 3
RPC III, 1806 Show 1806 6 3
RPC III, 1812 Show 1812 8 3
RPC III, 1806 Show 1806 7 3
RPC III, 1812 Show 1812 2 3
RPC III, 1812 Show 1812 14 3
RPC III, 1806 Show 1806 8 3
RPC III, 1806 Show 1806 4 3
RPC III, 1812 Show 1812 5 3
RPC III, 1812 Show 1812 10 3
RPC III, 1812 Show 1812 15 3
RPC III, 1812 Show 1812 18 3
RPC III, 1812 Show 1812 6 3