Trajan (98-117), Sestertius, Rome, AD 114-117; AE (g 24,76; mm 34; h 6); [IMP CAES NER TR]AIANO OPTIMO AVG GER DAC PARTHICO P M TR P COS VI P P, laureate bust r., wearing aegis, Rv. REX PARTHIS - DATVS, Trajan seated l. on platform with praefect standing behind him; he presents Parthamaspates to Partiakneeling; in ex. S C. RIC 668; C 328. Fine portrait, brownish patina, extremely fine.
Restoration and cleaning report: During the analysis of this Sestertius, the microscopy observation has revealed the artificial deposition of acrylic varnish on the surface of the coin. Under stereoscopic magnification, was chemically and mechanically removed this layer, showing a brownish patina on both sides of the coin.
Prof. Gianni Pierbattisti, Conservator Safe Coins s.r.l.