Archive: People and Markets

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.

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.

Some of the stolen coins. Image provided by The Numismatic Crime Information Center.

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

Bei genauer Betrachtung können Münzen besondere Merkmale aufweisen, die sich entweder gut oder schlecht auf ihren Wert auswirken. Diese zu erkennen und mit den richtigen Begriffen benennen zu können ist wichtig für jeden Münzsammler. 
Achtung, Bronzepest kann ihre Sammlung zerstören! Foto: Shutterstock.

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.
Christian IV. 4 Speciedaler 1624, Kopenhagen. From Auction Künker 408 (18.-19. June 2024), No. 14. Background: Christian IV of Denmark and Norway. Bust at Rosenborg Castle / Copenhagen. Photo: UK.

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.
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