Watch List notes:

Nero (54-68), Quadrans, Rome, c. AD 64; AE (g 3,07; mm 16; h 6); NERO CLAV CAE AVG GER, owl standing on garlanded altar, Rv. P M [TR] P - IMP P P, olive branch; in field, S - C. RIC 260 = 319; C 185.
Green-brown patina, good very fine.