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.
Your Tax Dollars at Work
Is the State Department funding a crusade against private ownership of cultural goods in the U.S.? Peter Tompa explains how taxpayer money was used to justify cultural property Memorandums of Understanding (MOUs) or “emergency import restrictions.”
Archive: Coins, Medals and more

A War Fought with Unusual Weapons: How Prussia Used Finance and Politics to Force the Habsburg Hereditary Lands Out of the German Confederation
On 26 March 2024, the Künker auction house will offer the Tursky Collection with coins of Emperor Franz Joseph I. We use specimens from this collection to tell the story of how Prussia used its economic sway to become the sole hegemonic power in Germany.

The First Piece of Mail Sent Using a Stamp to Be Offered at Sotheby’s
A Penny Black affixed to a Mulready envelope is among the most valuable items in Philately ever offered at auction. The earliest posted envelope using a prepaid stamp, dating to 1840, will be sold at Sotheby’s with an estimate of $1.5–2.5 million.

















NUMMUS – Spain’s New Numismatic Society
In March 2024, a new numismatic association was created in Spain with a strong commitment to private collectors as agents of cultural generation and heritage conservation. Find out more about the aims of NUMMUS here.
Bulmint
In March 2023, Ursula Kampmann visited Bulmint’s production facilities. ALL steps that are necessary for the manufacture of gold and silver coins are carried out there. By looking at the various departments, we can learn about every step in the production of a coin.