Archive: People and Markets
Largest Hoard of Ancient Gold Coins Discovered in Luxembourg
At the end of 2019, two amateur archaeologists in Luxembourg made an impressive discovery that has now been made public: 141 exceptionally well-preserved solidi from the last third of the 4th century. It is the largest hoard of ancient gold coins ever discovered in the Grand Duchy.
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.
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.

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.










New Security Standards for the World Money Fair
The personalization of tickets has become standard at many events. Starting in 2025, visitors to the World Money Fair will be required to provide their personal data when purchasing tickets.
“Alexandria in Nummis”– Impressions from the Symposium in Lugano
On 20 and 21 September, the Circolo Numismatico Ticinese (CNT) held an international symposium in Lugano dedicated to the Roman Imperial Coinage of Alexandria. Fabrizio Rossini, CNT president, shares his impressions of the event.