Archive: People and Markets
The Numismatic Index on 25 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.
What the Second Trump Administration Might Mean for Collectors
What does Donald Trump’s return to the White House mean for collectors in the USA? Will the new Administration help “Make Collecting Great Again” or will it be anti-collecting business as usual at the State Department and other government agencies? Predictions are always perilous to make, but Peter Tompa has dared to make some nonetheless.
Archive: Coins, Medals and more

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.

Fascinating Change: The 50 State Quarters of the USA – a Milestone
By means of the 50 State Quarters, the US Mint succeeded in rekindling the people’s love of coins and bringing it to the next generation. What was so special about this series? Let’s look back.
Pop-Up Expo at the Royal Library of Belgium: The Past in Metal
The Department of Coins & Medals at the Royal Library of Belgium (KBR) invites you on a journey through Belgium’s history via coins – from the ancient Eburones to emergency money from the Eighty Years’ War and objects used as currency in colonial Congo.
The Great Kentucky Hoard of Pre-1865 US Gold Coinage
A cache of rare Civil War-era coins unearthed in Kentucky includes the finest-known 1863 Double Eagles as well as several interesting varieties and errors.