Countermark

https://rpc.ashmus.ox.ac.uk/countermark/693 
GIC 567
ΤΟΜ(I)
rectangular 
8 x 3 mm 
often with GIC 751 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 41
Show 31
Show 32
Show 43
Show 46
Show 40
Show 115
Show 113
Show 112
Show 171
Show 189
Show 129
Show 126
Show 53
Show 217
Show 216