People and markets
Herb Kreindler (1935-2026)
Herb Kreindler was one of the most renowned coin dealers in the United States. For decades, he conducted auctions night after night on behalf of major auction houses during the New York International. He has now passed away at the age of 91.
read more at our partner SIXBID
Successful arrest at the CSNS Coin Exchange.
Sometimes life is more dramatic than any crime novel: During a coin show, observant dealers managed to identify a stolen coin worth more than $40,000 and have its sellers arrested.
read more at our partner SIXBID
Come to think of it
What is a Jefimok?
Countermarks on coins are a common phenomenon in numismatics. When it comes to Russian coins with countermarks or counterstamps, they are referred to as “Yefimoks.” Why?
read more at our partner SIXBID
What is a Novodel?
The Russian term “Novodel” literally means “new strike.” But is it the same as a restrike? And why do some Novodels sell for six-figure sums? What’s behind this phenomenon?
read more at our partner SIXBID
What is a Jefimok?
Countermarks on coins are a common phenomenon in numismatics. When it comes to Russian coins with countermarks or counterstamps, they are referred to as “Yefimoks.” Why?
read more at our partner SIXBID
What is a Novodel?
The Russian term “Novodel” literally means “new strike.” But is it the same as a restrike? And why do some Novodels sell for six-figure sums? What’s behind this phenomenon?
read more at our partner SIXBID
Coins, Medals and more

Sikh Temple Tokens.
HNot everything that is round is a coin or a medal. We’ll show you numismatic objects that served as currency, offerings, and amulets all at once. They were purchased by devout Sikhs. Here you can learn more about their religious significance.read more at our partner SIXBID

Swiss marksmen in the U.S.
In 1897, Swiss marksmen held a national shooting competition. A medal from the Rod K. Moore Collection commemorates it, featuring William Tell, Helvetia, and Lady Liberty—how did it reach America?read more at our partner SIXBID
Archive
Farewell to the Penny: (No) Impact on Numismatics?
The United States Mint is ending production of the one-cent coin – triggering a rush on 2025 penny rolls. But one expert urges collectors to stay calm.
L. E. Bruun: A Collector in His Time
On the occasion of the upcoming auction of the second part of the Bruun Collection, Ursula Kampmann set out again to explore the story of the person behind this collection on behalf of Stack’s. This time, she took a close look at Bruun’s career as a collector. Read on to learn about the coin trade and the world of collecting before the Second World War.
Gustav III: A Conservative Revolutionary
On 20 June 2023, Künker will auction off medals that the Swedish King Gustav III himself gave as a present to the young Peter Frederick Augustus of Oldenburg. These medals are a testament to the policies of the king who was shot dead at a masked ball in 1792.
Coins and Medals of the Popes: Representatives of the Catholic Church
Since the 16th century, people throughout Europe have collected coins and medals of the popes. Papal issues were often intended to be collectibles rather than a means of payment. Künker presents a little introduction to this fascinating subject.
On the road
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
French Reparations, the Imperial War Treasury, and the July Uprising
After the Franco-Prussian War (1870–71), France paid Germany 5 billion francs—but what became of it, and how did it shape German power? A visit to Spandau Fortress.
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
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
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

















































Herb Kreindler (1935-2026)
Herb Kreindler was one of the most renowned coin dealers in the United States. For decades, he conducted auctions night after night on behalf of major auction houses during the New York International. He has now passed away at the age of 91.
read more at our partner SIXBID
Successful arrest at the CSNS Coin Exchange.
Sometimes life is more dramatic than any crime novel: During a coin show, observant dealers managed to identify a stolen coin worth more than $40,000 and have its sellers arrested.
read more at our partner SIXBID