Countermark

https://rpc.ashmus.ox.ac.uk/countermark/807 
GIC 686
Τ (shaped punch)
shaped 
5 x 3 mm 
cmk can be on the obverse or reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 4976 (temporary) Show 1304 8 4.3
RPC IV, 4976 (temporary) Show 1304 11 4.3
RPC IV, 6183 (temporary) Show 1305 9 4.3
RPC IV, 4976 (temporary) Show 1304 3 4.3
RPC IV, 4976 (temporary) Show 1304 13 4.3
RPC IV, 4976 (temporary) Show 1304 5 4.3
RPC IV, 4976 (temporary) Show 1304 7 4.3
RPC IV, 4976 (temporary) Show 1304 6 4.3
RPC IV, 4976 (temporary) Show 1304 1 4.3
RPC IV, 4976 (temporary) Show 1304 2 4.3
RPC IV, 6183 (temporary) Show 1305 5 4.3
RPC IV, 6183 (temporary) Show 1305 7 4.3
RPC IV, 6183 (temporary) Show 1305 8 4.3
RPC IV, 4976 (temporary) Show 1304 12 4.3