Watch List notes:

ANTONIA, daughter of Mark Antony and Octavia, (grandmother of Caligula, mother of Claudius), (died A.D. 37), AE dupondius, issued after her death by Claudius 41-42, Rome mint, (12.99 g), obv. draped bust to right of Antonia, around traces of ANTONIA AVGVSTA, rev. Claudius, standing to left, holding simpulum, around traces of TI CLAVD[IVS CAE]SAR AVG P M TR P IMP, S C across field, (S.1902, BMC 166, RIC 92). Attractively light brown patina, fine, rare.