Watch List notes:

PANNONIA, Carnuntum. Æ As (28mm, 11.09 g, 4h). Countermark applied during the reign of Gaius (Caligula), AD 37-41(?). (AV)G in rectangular countermark on a bronze as of Augustus with bust left. Pangerl 75; Martini 1.1-80, 2.18-40. Host Fine, c'm VF, green patina, light cleaning scratches.

From the Richard Baker Collection.