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
Training Exercise for Cultural Heritage Response Unit
The German Archaeological Institute (DAI), in cooperation with the German Federal Agency for Technical Relief (THW), is building an emergency response unit to provide rapid assistance in the event of disasters around the world. In a fictious earthquake scenario, experts were recently trained in how to protect and preserve cultural heritage.
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.
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.

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I
SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.

















Luther Medals and Reformation Coins – Exhibition in Saint Louis
A new exhibition in Saint Louis explores the topic of coins and medals of the Reformation. It presents over 125 of the most valuable and historically significant pieces from the collections of three important Michigan collectors.
Defamatory Attack on IADAA And Its Officers – a Response
A French newspaper article claims IADAA chairman Vincent Geerling to be involved in trafficking antiquities. A close look reveals a distortion of facts – or how the journalist and the authorities simply ignored them. With consequences not only for the accused.