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
How AI Is Transforming Numismatics
Can entire numismatic reference books be written by artificial intelligence? Are ChatGPT and similar technologies becoming competitors for news portals, specialist publishers, and PR agencies? What can AI truly achieve? We put it to the test.
Pop-Up Expo at the Royal Library of Belgium: The Past in Metal
The Department of Coins & Medals at the Royal Library of Belgium (KBR) invites you on a journey through Belgium’s history via coins – from the ancient Eburones to emergency money from the Eighty Years’ War and objects used as currency in colonial Congo.
Archive: Coins, Medals and more

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.

French History in Coins – Part 3: A New Napoleon
Under Emperor Napoleon III, France experienced an economic upswing. The Paris cityscape was completely revamped, just as coin designs. The gold rush in the US thrust Europe’s silver money into a crisis. The answer came from France.













On Our Own Account: CoinsWeekly Takes a Moment to Reflect
CoinsWeekly will be taking a break from July 4 to September 15, 2025, to perfect and implement its new concept. Look forward to opinionated commentary and in-depth numismatic information, when CoinsWeekly is back again after September 15!
Coins from the Era of Marius and Sulla Discovered in Tuscany
In the Livorno region, a hoard of 175 Roman Republican denarii of remarkable quality was found in 2021. The existence of the treasure was kept secret until an exhibition displayed the pieces in 2023.