Golddukaten » 1-fach und 4-fach Dukaten | Gold & Co
The 300th Künker Auction: A Highlight of the World Money Fair
Ducat - Wikipedia
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Künker, D-Osnabrück - CoinsWeekly
Groschen to Euro! German non-commercial site, exchange rate is aligned to a high silver content, which, of course, was subject to fluctuations! A) "X" € material value, B) "X" € medieval spending