Watch List notes:

Nero (54-68), Quadrans, Rome, c. AD 64; AE (g 2,27; mm 15; h 6); NERO CLAV - CAE AVG GE - R, crested helmet on column, round shield decorated with Gorgoneion beside and transverse spear behind, Rv. P M TR P - IMP P P, olive branch; in field, S - C. RIC 260; C 185.
Riverine patina, about extremely fine.