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
Numismatica Centroeuropaea Conference in Legnica
On 16-19 September 2025, the eighth Numismatica Centroeuropaea Conference will take Place in Legnica, Poland. The topic is “Money of the Dynasties.” A dedicated webpage with up-to-date information on the conference is now available.
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

Record! South African Rarity Leaves All Previous Top Prices Far Behind
Recently, a South African coin was auctioned at Heritage for $1.8 million (excluding premium) – exceeding the previously highest known auction results for South African coins by a remarkable $1.5 million. What makes the “Single 9” such a rarity?

Gold from Rhodes for the Battle for Rome
On 30 October 2024, Künker will be auctioning an aureus minted by Caesar’s assassins in 42 BC. The extremely rare piece is estimated at 100,000 euros. We tell the story of a coin that takes us back to the heart of the Roman civil war.

















CIT: The Last Issue in the Real Heroes Series – Astronaut
With the last issue of the Real Heroes series, CIT pays tribute to the courage of astronauts. The focus is on an iconic scene that was implemented with technical perfection as a reflection in the visor of a spacesuit.
NGC introduces New High-Security Hologram with QR Codes
NGC is introducing a new high-security hologram as part of its efforts to combat counterfeiting of certifications. Among the hologram enhancements are a QR code and a numerical security code that are unique to the specific encapsulated collectible, making it extremely difficult for counterfeiters to replicate or tamper with the NGC holder.