Denier - Charlemagne Marseille

Charlemagne's monetary reform of 793–794 was one of the most consequential administrative acts of the early medieval period, standardizing the denier across the Frankish realm at a heavier weight and displacing the older Merovingian and regional coinage systems that had fragmented monetary exchange for generations. Marseille, as a Mediterranean port with surviving commercial ties to Byzantium and the Levant, was among the mints retained under the reformed system — its output serving trade routes that most inland Carolingian mints never touched.

The Prou reference absence is telling: this type fell outside his primary classification sequence, a gap that still generates disagreement among specialists working the southern French material.