ROMAN EMPIRE: Nero, 55-68 AD, AE as (10.25g), Rome, RIC-306; BMC-227, struck 65 AD, laureate head right, NERO CAESAR AVG GERM IMP // temple of Janus with closed doors, S C across field, PACE P R VBIQ PARTA IANVM CLVSIT, olive-green patina, VF. According to tradition, the doors of the temple of Janus were kept open at wartimes and closed during rare respites of peace. To commemorate the peace treaty with Parthia in 63 AD, Nero closed the doors with great fanfare and marked the occasion on his coinage.
Estimate: 125-150 USD