1 Pfennig 'Ewiger pfennig' - Otto of Lonsdorf

Otto of Lonsdorf, Bishop of Passau from 1254 to 1265, issued this bracteate-style pfennig under the principle of the ewiger pfennig — the "eternal penny" — a monetary reform adopted by several south German ecclesiastical territories in the mid-thirteenth century. The concept was straightforward: rather than periodically recalling and reissuing coinage at a loss to the holder (the Renovatio monetae system that had long allowed lords to extract revenue through forced exchange), the eternal penny circulated indefinitely at face value. Passau's adoption aligned with a broader episcopal rejection of the renewal tax as a revenue mechanism.

Kelln Pas#36 is among the scarcer documented types from Lonsdorf's episcopate.