Antonia, AE dupondius, (13.29g) 

ANTONIA AVGVSTA, Draped bust right, wearing hair in long plait.
TI CLAVDIVS CAESAR AVG P M TR P IMP P P, Claudius standing left, 
holding simpulum, S-C across fields. 

RIC I 104 (Claudius); Cohen 6. 

With permission of Numismatica Ars Classica.