Matidia.
Denarius (112 AD), Rome.
Condition: very rare, vf /vf+.

Julian II. Apostata as Caesar.
Solidus (355–357 AD), Rome.
Condition: unc

Frederik IV.
Double-Ducat 1704, Copenhagen.
With certificate of authenticity.
Condition: ef-

Johann Wilhelm.
Ducat 1753, Nuremberg.
Condition: rare, lightly worked, vf-

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.
New Coin Sets Mark 70th Anniversary of the Godzilla Series
To commemorate the 70th anniversary of the Godzilla series, two new coin sets have been released: the 70th Anniversary of GODZILLA Series BU Coin Set and the 70th Anniversary of GODZILLA Series 2024 Proof Coin Set.
Archive: Coins, Medals and more

Frederick III of Denmark and Eben Ezer
SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.

















Levantine Coins Online (LCO) Now Live
A new digital database is now available online: “Levantine Coins Online” catalogs Achaemenid and Hellenistic period coin typologies from the southern Levant. The database will be continuously expanded with new areas and collections.
The Naseby Cup – Coins and Medals of the English Civil War
The Naseby Cup is a Victorian vessel of extraordinary numismatic importance, as many incredibly rare coins from the English Civil war are integrated into it. A publication on the cup and its coins will soon be available.