Friedrich Wilhelm, the Great Elector.
Ducat 1686 LCS, Berlin.
Extremely rare.
Attractive piece.


Maximilian II.
Ducat 1855.
Only a few pieces are known.
Extremely fine-uncirculated.

Ferdinand Albrecht I.
Löser in the weight of 4 Reichstalers 1670, Clausthal.
Extremely rare.
Attractive piece.

Friedrich Adolf.
5 Ducats 1711, Detmold.
Only known piece.
Extremely fine-uncirculated.

6 Ducats, n. d. (1765-1790), with the title of Joseph II.
NGC MS 62 PL.
Extremely rare.
Attractive piece from polished dies.
Almost uncirculaed.

Johann Adolf, 1590-1616.
Portugalöser (10 ducats) n.d., Eutin.
Extremely rare and of particular
significance in monetary history.
Attractive piece.

Leopold I, 1657-1705.
20 Ducats, n. d. (after 1666), Hall,
by M. König.
Extremely rare.
Almost extremely fine.

Archive: People and Markets
Zimbabwe Issues Digital Gold Tokens for Investors
The Reserve Bank of Zimbabwe offers Gold-backed digital tokens for investment. The offer closed on 10 May 2023.
After 100 Years: The Bruun Collection Comes Under the Hammer
The Bruun Collection has been held by Denmark’s National Museum in Copenhagen for 100 years. Now Stack’s Bowers Galleries has been commissioned with the sale of the collection, which Stacks refers to as “the most valuable collection of World Coins to ever come to market”.
Archive: Coins, Medals and more

Frederick III of Denmark and Eben Ezer
SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.













A Visit to the Japan Mint
Japan is a country where cash still plays an important role. Therefore, the Japan Mint is not a single institution but consists of several branches. Ursula Kampmann visited their offices in Saitama. Join her on a tour through the mint!
A Perfect Hunter: The Leopard on African Coins
Few people are lucky enough to see a leopard in the wild. On coins, however, the nimble and silent hunters can be encountered more frequently. With Dirk Wasserthal of RareCoin, we take you on a numismatic safari and present five rare African gold coins that have the potential to appreciate.