Aureus - Diocletianus IOVI FVLGERATORI, Jupiter

Diocletian's early aurei predate the catastrophic currency reforms of 294 AD, after which the gold coinage was restructured into the lighter aureus standard that eventually gave way to Constantine's solidus. This piece belongs to the decade when Diocletian was still consolidating power following his seizure of the throne after the murder of Numerian — a claim he cemented by publicly executing Numerian's father-in-law Aper before his assembled troops.

The IOVI FVLGERATORI reverse type was part of a deliberate theological program associating the new tetrarchic rulers with Jupiter and Hercules, framing imperial authority in explicitly divine terms rather than dynastic ones.