Watch List notes:

Nero, 54-68. Semis (Orichalcum, 20 mm, 3.61 g, 5 h), Rome, c. 64. NERO CAES AVG IMP Laureate head of Nero to right. Rev. CERT QVINQ ROM C-O / S C Table, seen from front and right, bearing value mark S, urn and wreath; on the table strut, two confronted gryphons; propped against the table leg, round shield. RIC 237. WCN 324. Dark green patina with some reddish-brown. Minor roughness, otherwise, very fine.