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
Germany’s New Platform Tax Transparency Act: A Problem for eBay Coin Dealers?
Germany’s new Platform Tax Transparency Act has caused great concern among German coin collectors. Will they have to explain themselves to the tax authorities whenever they sell pieces of their collection? In most cases, the answer is no. Unless their hobby turns into a regular side-line.
Further Investigations into the Stolen Celtic Coin Hoard
Following police success in the case of the stolen Celtic gold hoard, the authorities have made additional details public. It appears that the perpetrators were professionals, but their professionalism was their undoing.
Archive: Coins, Medals and more

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.

Regensburg: Where the Emperor and the Empire Met
Only a few German cities issued as magnificent early modern coins as Regensburg. And there is a good reason for this – gold and heavy silver coins in particular were in high demand in this city. Not for trading purposes but for representation. After all, the Perpetual Diet of the Holy Roman Empire sat in Regensburg. Read here how it worked and what role coins played in this event.













NGC introduces New High-Security Hologram with QR Codes
NGC is introducing a new high-security hologram as part of its efforts to combat counterfeiting of certifications. Among the hologram enhancements are a QR code and a numerical security code that are unique to the specific encapsulated collectible, making it extremely difficult for counterfeiters to replicate or tamper with the NGC holder.
Stack’s Bowers Galleries Opens New Gallery in Miami, Florida
On the heels of their recently opened Copenhagen office, Stack’s Bowers Galleries again increases their global presence: a new rare coin gallery and showroom will soon open in the heart of Brickell, Florida, Miami’s vibrant financial district.