Saxe-Weimar-Eisenach. Wilhelm Ernst gilt Uniface Proof Pattern 20 Mark 1901-A AU, Berlin mint, cf. KM216 (business and Proof strikes), cf. Schaaf-283 (there, in copper). 23mm. 5.5gm. Accompanied by collector's envelope. HID09801242017 © 2023 Heritage Auctions | All Rights Reserved

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