1 Pfennig

Regensburg occupied a peculiar position in the Holy Roman Empire during this period — technically a free imperial city, answerable directly to the Emperor rather than any territorial prince, yet perpetually squeezed between the ambitions of the Wittelsbach dukes of Bavaria who surrounded it on all sides. The city's right to strike its own coinage was both a hard-won privilege and a persistent political statement against Bavarian encroachment.

The billon content reflects the broader debasement creeping through German small change in the first half of the sixteenth century, driven by chronic silver shortages and the explosion of petty commercial transactions as trade networks expanded along the Danube.