SWITZERLAND. Basel, Bistum. Johann II. Senn von Münsingen, 1335-1365. Vierzipfliger Pfennig (Silver, 18 mm, 0.37 g). Mitred bishop's head left, crosier in left field; B in right field. Rev. Incuse of obverse. HMZ 1-257a. Very rare and beautifully toned. Extremely fine.
Ex Sincona 43, 23 October 2017, 4200.