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
A New Member to Join the SINCONA Team: Michael Otto
The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.
Solomon Islands New Banknote released in celebration of the XVII Pacific Games
The Central Bank of the Solomon Islands released new $10 commemorative banknotes to commemorate the XVII Pacific Games that the island country will hosting for the first time this year. The new banknote is expected to be widely circulated for use throughout the Solomon Islands.
Archive: Coins, Medals and more

A Commemorative Coin Celebrating the Completion of Austria’s Southern Railway
Commemorative coins were issued far less frequently in the 19th century than today. The fact that Emperor Franz Joseph dedicated a commemorative coin to the Austrian Southern Railway is therefore testimony to the outstanding importance of this line. In auction 408, Künker is offering two of only 1,644 specimens minted.

Marks and Pfennigs in Your Inheritance: What Should Heirs Do with Old DM Coins?
When dealing with inheritances, it’s common for heirs to come across coins from the Deutsche Mark era –often, these Pfennigs and Marks can feel overwhelming. However, heading straight to the Bundesbank, where nearly all DM coins can be exchanged indefinitely, isn’t always the best option.













Join the First International Numismatic Alliance Conference!
The first edition of the International Numismatic Alliance Conference (INAC) will be held on May 26th. This free and open for everyone online event wants to offer a new unique opportunity for everyone to delve into the fascinating world of numismatics.
The FBI Warns: Fraudsters Have Their Sights Set on Coin Collectors
The FBI has published a new warning that scammers are trying to trick older people in particular out of their coins. Find out which scams are common and how you can protect yourself against them.