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
Royal Mint Unveil New Charles III Reverse Designs for Circulation Coinage
Coat of arms give way to flora and fauna: the Royal Mint have unveiled the new reverse designs for the circulation coinage of the United Kingdom. Learn more about the new designs here.
A Coveted 2-Euro Coin: Monaco Introduces Penalty Fee for Multiple Orders
The Principality’s commemorative coins are among the most expensive and sought-after collectibles in the eurozone – but they have also attracted speculators for years. The sales office is now taking drastic measures.
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.

Sisi and Franz: Commemorating the Dream Wedding that Was Actually a Nightmare
As part of the phaleristic auction 415 on 28 October 2024, Künker will be auctioning the set of gold medals that Emperor Franz Joseph presented to his father-in-law, Duke Maximilian Joseph in Bavaria. It is the numismatic souvenir of a wedding that turned out to be a nightmare for his daughter – young Elisabeth, who is better known as Sissi or Sisi today.













Highlights from Shanghai Mint Museum to be Showcased in London
For the first time, highlights from the collection of the Shanghai Mint Museum will be showcased in London at the former Royal Mint. The temporary exhibition titled COINect will be open from 8 to 14 June.
What to Do With a Million Pennies?
Imagine you are cleaning out the house of a late relative and find 1 million cent coins in the process. What would you do with them? This is what happened to a California family. Why had this huge amount of coins been amassed? And what could they be worth?