Archive: People and Markets
Certified Collectibles Group to Acquire James Spence Authentication
Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.
Will the International Coin Market Be Affected by the New US Tariff Policy?
America’s tariff regime is dominating the headlines. Yesterday morning (CET), when Ursula Kampmann wrote this article, many countries were under the threat of high punitive tariffs. As of yesterday evening (CET), this is no longer the case. But it is still interesting to consider what would happen in the coin market if punitive tariffs were imposed.
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.

Regensburg: Where the Emperor and the Empire Met
Only a few German cities issued as magnificent early modern coins as Regensburg. And there is a good reason for this – gold and heavy silver coins in particular were in high demand in this city. Not for trading purposes but for representation. After all, the Perpetual Diet of the Holy Roman Empire sat in Regensburg. Read here how it worked and what role coins played in this event.










International Conference on Islamic Numismatics
From 18 to 20 May 2023, the ICIN – the International Conference on Islamic Numismatics – took place in Riyadh, Saudi-Arabia. A complete success! Never before have so many specialists on Islamic numismatics gathered in one place. Ursula Kampmann was there.
Petition Crown Realizes More than $1 Million, Setting Record
For the second time this year, an example of England’s Petition Crown certified by NGC has realized a record price. The piece from the Geoffrey Cope Collection broke the $1 million barrier.