By Künker GmbH …… A celebration took place in March at the Klassik Stiftung Weimar. There, a 1687 gold coin, only one single specimen of which is known to exist, was the center of attention. The off-metal strike in gold of the Alchemistentaler of Frederick I of Saxe-Gotha-Altenburg from 1687 was officially returned to representatives […]
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