“https://www.sixbid.com/en/blog/the-finest-specimen-of-the-rarest-gold-coin-from-the-german-empire/”>The finest specimen of the rarest gold coin from the German Empire

On 23 September 2026, Künker auctions Ernst II’s 20-mark coin from a physicist’s collection—the German Empire’s rarest gold coin, limited to 1,000 pieces. NGC knows no finer specimen.
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