People and markets

The Munich Show: Interview with the organisers

From 23 to 25 October 2026, The Munich Show will feature a numismatic section for the first time. Until now, The Munich Show has been Europe’s largest fair for minerals, fossils and gemstones. How did The Munich Show come to include this? And how does it intend to position itself in the numismatic market? An interview.
read more at our partner SIXBID

Ursula Kampmann receives the Premio Lastanosa

On 3 July 2026, the Spanish Numismatic Society NUMMUS honoured Ursula Kampmann with the Premio Lastanosa for excellence in numismatics. President Ana Serrano Hernández presented the award during the Evento Numismático 2026 in Madrid.
read more at our partner SIXBID

The Munich Show: Interview with the organisers

From 23 to 25 October 2026, The Munich Show will feature a numismatic section for the first time. Until now, The Munich Show has been Europe’s largest fair for minerals, fossils and gemstones. How did The Munich Show come to include this? And how does it intend to position itself in the numismatic market? An interview.
read more at our partner SIXBID

Ursula Kampmann receives the Premio Lastanosa

On 3 July 2026, the Spanish Numismatic Society NUMMUS honoured Ursula Kampmann with the Premio Lastanosa for excellence in numismatics. President Ana Serrano Hernández presented the award during the Evento Numismático 2026 in Madrid.
read more at our partner SIXBID







Come to think of it

What Is the Value of a Coin?

Ursula Kampmann presents a few extreme examples—all of which were auctioned in June 2026—and analyzes the values.
read more at our partner SIXBID

Coin Show Etiquette: How Dealers Should Conduct Themselves Toward Collectors

Don’t think that only collectors behave badly. Many of you, dear readers, have written to me about what dealers could improve in their conduct. Together, we’ll establish rules for what constitutes good behavior for a dealer at a coin show.
read more at our partner SIXBID

What Is the Value of a Coin?

Ursula Kampmann presents a few extreme examples—all of which were auctioned in June 2026—and analyzes the values.
read more at our partner SIXBID

Coin Show Etiquette: How Dealers Should Conduct Themselves Toward Collectors

Don’t think that only collectors behave badly. Many of you, dear readers, have written to me about what dealers could improve in their conduct. Together, we’ll establish rules for what constitutes good behavior for a dealer at a coin show.
read more at our partner SIXBID

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Coins, Medals and more

Short-Whiskered Dragon: The dragon with the short whiskers

Heritage has valued a proof coin from the Chinese mint in Tianjin, dated 1911, at US$2 million. The proof coin is extremely rare; only three examples are known to be in private hands. More important, however, is its historical significance, as the coin symbolises the changing times in China.
read more at our partner SIXBID

The Imperial Collection

On 23 June 2026, the first part of the Hohenzollern coin collection will go under the hammer. The Osnabrück-based auction house Künker will be auctioning coins and medals from the collections of the Kings of Prussia and the Emperor of Germany. We present a selection of particularly special items and explain what the coins in the collection reveal about the character of Emperor Wilhelm I.
read more at our partner SIXBID

Archive

Rebel Emperors of Britannia: Carausius and Allectus

At the end of the third century AD, Carausius and Allectus successively ruled Britain, and parts of the Continental coast, as rebel emperors for a period of ten years. A new book, published by Spink Books, aims to tell the incredible story of these two rebel emperors. Learn more about them and their rich coinage in this article.

Swissmint, a Mint of Records

Swiss numismatics is full of surprises, rarities and exciting stories. We have compiled a little overview of national and international records for you.

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. Foto: Elly2001 / CC BY-SA 4.0

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.

Friedrich III. auf seinem weißen Hengst bei der Verteidigung Kopenhagens 1659. Gemalt von Frederik Christian Lund, 1887. Bilder: Hintergrund: Wikimedia Commons / CC0. Münze: Auktion SINCONA 94 (22.-23. Oktober 2024), Nr. 1616.

Frederick III of Denmark and Eben Ezer

SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.

On the road

Japan Mint: Hiroshima Branch

The Japan Mint doesn’t just produce beautiful circulation coins. It also manages the entire production process in-house, from the blank to the finished coin. This makes Japan one of the few countries that are completely self-sufficient when it comes to its circulation coins. We visited the branch of the Japan Mint in Hiroshima.
read more at our partner SIXBID

The Mercado de Monedas y Sellos on Plaza Mayor

Madrid is unique worldwide: nowhere else has hosted a coin and stamp market every Sunday for nearly a century. At around 100 stalls, collectors of all ages browse coins from ancient times to the euro.
read more at our partner SIXBID

Japan Mint: Hiroshima Branch

The Japan Mint doesn’t just produce beautiful circulation coins. It also manages the entire production process in-house, from the blank to the finished coin. This makes Japan one of the few countries that are completely self-sufficient when it comes to its circulation coins. We visited the branch of the Japan Mint in Hiroshima.
read more at our partner SIXBID

Who is who

Fun

Franklin’s World:

Good to know

Selling coins and the age-old question: How do I get the most for my coins?

Consigning items for auction requires choosing the right auction house—one that gives the collection proper attention and reaches the right buyers. Commission is often a secondary consideration.
read more at our partner SIXBID

What is provenance?

Provenance: This term plays a decisive role in the coin trade today. Provenances are worth their weight in gold. The same antique coin with a proper provenance can cost several times more than it would without provenance. So what is provenance?
read more at our partner SIXBID

Japan Mint: Hiroshima Branch

The Japan Mint doesn’t just produce beautiful circulation coins. It also manages the entire production process in-house, from the blank to the finished coin. This makes Japan one of the few countries that are completely self-sufficient when it comes to its circulation coins. We visited the branch of the Japan Mint in Hiroshima.
read more at our partner SIXBID