Watch List notes:

SWITZERLAND. Zürich. Fraumünsterabtei, 13th century. Vierzipfliger Pfennig (Silver, 17 mm, 0.36 g). ZVRICH Head of Saint Felix to left. Rev. Incuse of obverse. H. U. Geiger and R. Schnyder: Der Münzfund von Winterthur-Holderplatz, in: SNR 53 (1974), 4-9. HMZ 1-618a. Beautifully toned. Flan crack, otherwise, good very fine.