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.
Legal Head of Italian Culture Ministry: “Fiendishly Extensive” Proofs Bar Imports
A significant statement on the importation of numismatic goods was issued in June 2023 by the legal department of the Italian Ministry of Culture. Read an analysis by Valentina Tarquini for Cultural Property News here.
Archive: Coins, Medals and more

Maximilian: The Last Knight and / or a Bankrupt
On 3 July 2025, Künker will auction the Hermann Wohnlich Collection presenting coins and medals from Tyrol. The offer includes an impressive ensemble of representative coins of Maximilian I, which are an excellent testament to his ability to cultivate his image. The effects of this can still be felt today.

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.

















Numindex Update: Prices for Mid-Grade Coins Are on the Rise
Even the Prices for mid-grade coins are on the rise at the moment. That is confirmed by the coin price index numindex. Michael Zagorowski tells us about the causes and recent observations in the trade and at coin shows.
Putting Survival Ratios of Ancient Coinages Into Perspective – Call for Papers
The 7th International Numismatic Conference of the Coin Cabinet of the Royal Library of Belgium takes place on 5 October 2024 and will focus on survival ratios of ancient coinages. Proposals for submissions are expected by 1 December 2023.