Stack's Bowers & Ponterio
Collector's Choice February 2022 Auction 22-24 Feb 2022
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2) Prussia. Silber Groschen, 1872-C. Frankfurt am Main Mint. William I. MS-65. KM-485.
3) Weimar Republic. 50 Pfennig, 1920-D. Munich Mint. MS-68. KM-27.