Watch List notes:

Nero (54-68), As, Lugdunum, AD 64-67; AE (g 11,30; mm 30; h 6); IMP NERO CAESAR AVG P MAX TR P PP, bare head r., globe at point of bust, Rv. GENIO - AVGVSTI, Genius standing l., holding patera and cornucopiae; on l., altar; in field, S - C. RIC 533; C 103. Red-cuprite patina,aboutextremely fine.

Restoration and cleaning report: During the analysis of this As, the microscopy observation has revealed the artificial deposition of copper nitrate on the surface. Under stereoscopic magnification, was chemically and mechanically removed this layer, show in gaga in the cup rite formation on both sides of the coin.

Prof. Gianni Pierbattisti, Conservator Safe Coins s.r.l