Denier - John I

John I ruled Wertheim from 1368 until his death in 1407, a tenure long enough to produce a reasonably sustained coinage but from a county small enough that surviving examples remain genuinely scarce. Wertheim, positioned along the Main River in Franconia, sat at a jurisdictional boundary between episcopal and secular authority — a tension that periodically affected which lords could legitimately strike coin and under what imperial sanction.

Wibel 27 is the standard attribution for this type, drawn from Johann Christian Wibel's eighteenth-century work on Franconian coinage, still the primary reference for this series despite its age.