Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1451 
Martini, Pangerl 51
(TIB)C(LA)(IMP)
rectangular 
10.5 x 4 mm 
Tiberius Claudius Avgvstvs Imperator. cmk applied in Germania Inferior during the reign of Claudius, AD 41-54 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
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