Watch List notes:

Nero Claudius Drusus (struck in time of Claudio 41-42DC) AE Dupondius, Contramarca NCAPR. 26.3mm; 34.30g; 6h. A: NERO CLAVDIVS DRVSVS GERMANICVS IMP, Bare head of Nero Claudius Drusus to left, countermark NCAPR in incuse square behind. R: TI CLAVDIVS CAESAR AVG PM TR P IMP P P, Claudius or Drusus seated on curul chair to left, holding branch, arms at his feet. SC in exergue. RIC 109; BMC 208-209; Sear 1896. Fine
NOTE: The current consensus interprets the countermark as "Nero Caesar Augustus PRobavit", i.e. "Approved (for circulation) by Emperor Nero"

Estimate: 200 - 300 USD