Archive: People and Markets
Poetic Machines: Swissmint Honors Jean Tinguely
Steel, wheels, movement, order and chaos – Swiss artist Jean Tinguely was fascinated by the poetry of machines, which he captured in his kinetic machine sculptures. To mark what would have been his 100th birthday, Swissmint is honoring the exceptional artist with a silver coin.
US Coin Dealer Robbed in Madrid
The Numismatic Crime Information Center notified us that Don Kagin was the victim of a theft that occurred in a shop in Madrid, Spain. Find out more about the stolen coins and the thieves’ modus operandi here.
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.

400 Years Ago – The Founding of Kongsberg
On 2 May 1624, Christian IV of Denmark and Norway founded the mining town of Kongsberg. A series of coins to be offered in the upcoming Künker sale tells us of the hopes that the ruler placed in the silver from these mines.










The Numismatic Index on 13 June 2023
The numismatic index numindex transparently shows how the prices of selected coins change over time. In the style of a stock index, it was designed for collectors who consider their collection an investment. Find out about the current state of the index.
PNG Advisory: No, You Don’t Have A $124 Million Penny
Recent online stories about pennies allegedly worth $124 million and billion-dollar 1976 Bicentennial quarter dollars are either false or grossly misleading, advises the Professional Numismatists Guild.