Watch List notes:

Nero and Drusus caesares (Gaius, 37-41), Dupondius, Rome, AD 39-40; AE (g 14,69; mm 30; h 5); NERO ET DRVSVS CAESARES, Nero and Drusus caesares riding r., Rv. C CAESAR DIVI AVG PRON AVG P M TR P III P P, around S C. RIC 42; C -.
Very rare, riverine patina, good very fine.