Nero Claudius Drusus, AE dupondius, uncertain mint in Thrace. AD 51-54, struck under Claudius. 15.80 g. 

NERO CLAVD CAES DRVS GERM PRINC IVVENT, bare-headed, draped bust left.
SACERD COOPT IN OMN CONL SVPRA NVM EX S C, sacrificial implements. 

RIC 107 (Claudius); BMCRE 242.

Some tooling.

With permission of TimeLine Auctions 
(www.timelineauctions.com), Oct. 2017