Archive: People and Markets
The Numismatic Index on 11 May 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.
IAPN Asks Collectors to Help Protect Roman Coin Collecting
Will Roman coins in general be considered the cultural property of Italy by US Customs unless you can provide extensive proof of ownership? Such concerns are raised by the proposed extension of a Memorandum of Understanding between the US and Italy. The IAPN is calling on collectors to take action.
Archive: Coins, Medals and more

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I
SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.

The First Years of Czechoslovak Coinage
SINCONA will auction off an impressive collection of Czechoslovak patterns. The offer includes a pattern for the Wenceslas Ducat of which only two specimens exist. Moreover, the sale features the very specimen of the Wenceslas Ducat that President Mazaryk gave to the family of the murdered Finance Minister Rašín.










“The Art of Making Medals” Published
What Goes Into Making a Medal? Editor Ross Pollard has packed his new book “The Art of Making Medals” with practical, first-hand insights from contemporary artists into the fascinating world of medallic sculpture. Each chapter was contributed by a member of the American Medallic Sculpture Association and documents the creation of an original medal from start to finish.
These Are Japan’s New Banknotes
In April 2023, the Bank of Japan has presented the first specimens of the new banknotes, which will enter circulation in 2024. The 1,000, 5,000, and 10,000 yen denominations will feature new motifs and new security features.