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
INORCOAT: How to Make Minting More Sustainable
Are you annoyed by all the laws that make our lives more difficult but have no positive effect? Here’s an example of a law that actually makes sense: the planned ban on chromium (VI) electroplating is helping an innovative technology to make a breakthrough – and this development brings decisive advantages for the minting industry. Romain Waidelich of INORCOAT takes us behind the scenes.
From Brutus to Brandt – Digital Exhibition of the Deutsche Bundesbank
The Deutsche Bundesbank presents “From Brutus to Brandt – Coins as a Testimony to Collective Memory”. In this sophisticated digital exhibition, eight coins from antiquity to the present day are examined in detail.
Archive: Coins, Medals and more

Gold at Record Highs: Melt Down or Preserve Historic Gold Coins?
Gold is now more expensive than ever. This trend has put many collectors and dealers in a moral dilemma: Which gold coins can be sold or melted down without hesitation, and where do the real treasures lie?

Gustav III: A Conservative Revolutionary
On 20 June 2023, Künker will auction off medals that the Swedish King Gustav III himself gave as a present to the young Peter Frederick Augustus of Oldenburg. These medals are a testament to the policies of the king who was shot dead at a masked ball in 1792.













CoinsWeekly Special Issue for the TICC Tokyo 2025
After overwhelming interest in the last years, we have once again published a printed CoinsWeekly Special Issue for TICC 2025, which takes place in Tokyo from April 26 to 28. If you can’t make it to Tokyo, you can download the PDF here.
The South African Mint: Africa’s Largest Mint
At the end of my trip to South Africa, I have the unique opportunity to visit the South African Mint. I’m taking you along on my visit, and that’s something very special: normally, taking photos inside the South African Mint isn’t permitted!