Countermark

https://rpc.ashmus.ox.ac.uk/countermark/807 
GIC 686
Τ
Shaped punch. On reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 4976 (temporary) Show 1233 8 4.3
RPC IV, 4976 (temporary) Show 1233 11 4.3
RPC IV, 6183 (temporary) Show 1234 9 4.3
RPC IV, 4976 (temporary) Show 1233 3 4.3
RPC IV, 4976 (temporary) Show 1233 13 4.3
RPC IV, 4976 (temporary) Show 1233 5 4.3
RPC IV, 4976 (temporary) Show 1233 7 4.3
RPC IV, 4976 (temporary) Show 1233 6 4.3
RPC IV, 4976 (temporary) Show 1233 1 4.3
RPC IV, 4976 (temporary) Show 1233 2 4.3
RPC IV, 4976 (temporary) Show 1233 12 4.3
RPC IV, 6183 (temporary) Show 1234 5 4.3
RPC IV, 6183 (temporary) Show 1234 7 4.3
RPC IV, 6183 (temporary) Show 1234 8 4.3