Denier - Charles II / Charles III Amiens mint

The Edict of Pîtres, issued by Charles the Bald in June 864, overhauled Carolingian monetary administration more thoroughly than any act since Charlemagne's original reforms. It restricted royal minting to a defined list of authorized locations — Amiens among them — and mandated that all older coin types be withdrawn. This denier falls directly out of that reorganization. The date range spans Charles the Bald through Charles the Simple, meaning nominally identical types were struck across a dynastic rupture, the brief reign of Louis the Stammerer, and the catastrophic Viking pressure that made the Seine valley increasingly ungovernable through the 880s and 890s.

Amiens sits on the Somme, a corridor of repeated Scandinavian incursion during this period. Coins from this mint circulated in territory that changed hands violently and repeatedly.