The Macellum Magnum was a market complex located on the Hill of Celius in Rome. The complex was erected and opened by Emperor Nero in 59 AD. The coin on display commemorates this event.
Obverse: Bust of the emperor wearing a laurel wreath, left, in the rim the legend NERO CLAVD CAESAR AVG GER P M TR P IMP P P.
Reverse: Macellum Magnum facade, and statue in it, staircase between the letters S-C, in the fields MAC AVG
Bronze, diameter 30 mm, weight 13.64 g.