Watch List notes:

Antonia (mother of Claudius) Ӕ Dupondius. Originally struck at Rome, AD 50-54, subsequently countermarked under Vespasian, AD 69-79(?). ANTO[NIA AVGVSTA], draped bust right; c/m: NCAPR (Nummus Caesare Augusto PRobatus?) within incuse rectangle / [TI CLAVDIVS CAESAR AVG P M TR P IMP P P], Claudius veiled and togate, standing left, holding simpulum; [S-C] across fields. For the coin type cf. RIC (Claudius) 92 or 104; for the countermark, Pangerl 60. 16.54g, 29mm, 6h.

Fine.

From a private UK collection.