Watch List notes:

GALLIA LUGDUNENSIS(?). Æ Sestertius (37mm, 25.71 g). Countermark applied during the reign of Nero, AD 54-68(?). PROB(atvm) in a rectangular countermark on a bronze sestertius of Claudius. Pangerl 23. Host coin Good Fine, c/m VF, brown patina.

From the Richard Baker Collection, purchased from Empire Coins, November 1984.