33138Christian IV
gold 10 Ducat (Portugaloser)
1623
AU53 NGC
Estimate: 100.000 $

33146Frederik III
gold 10 Ducats (Portugaloser)
ND (1668-1669)
MS63S NGC
Estimate: 100.000 $

33294Frederik III
gold 10 Ducats (Portugaløser)
ND (1661)
AU Details NGC
Estimate: 100.000 $

33044Gaius (Caligula)
(AD 37-41).
AV aureus.
NGC Choice AU 5/5 - 2/5.
Estimate: 75.000 $

33085Magnentius (AD 350-353).
AV medallion of 3-solidi.
NGC AU★ 5/5 - 4/5,
Fine Style.
Estimate: 75.000 $

33120Charles III
8 Reales 1760/59
NR-JV AU58 PCGS
Estimate: 50.000 $

33215George II
gold Proof 5 Guineas 1729
PR63 NGC
Estimate: 50.000 $

33249Transylvania.
Georg Rakoczi
gold Restrike 20 Ducat 1631-Dated
MS63 NGC
Estimate: 50.000 $

33317Nicholas II
gold Proof 25 Roubles (2-1/2 Imperials)
1896
PR61 NGC
Estimate: 50.000 $

33012MACEDONIAN KINGDOM.
Alexander III the Great (336-323 BC).
AV distater.
NGC Choice AUS 5/5 - 5/5,
Fine Style.
Estimate: 30.000 $

People and markets

Coin of the Year 2026

As in 2025, the Austrian Mint won three awards, as did the Monnaie de Paris, whilst Ukraine once again dominated the ‘Most Inspirational’ category. The best coin came from China.
read more at our partner SIXBID

125 Years of the Württemberg Numismatic Society

The Württemberg Numismatic Society will celebrate its 125th anniversary in 2026. We recount its founding and the celebrations marking this milestone.
read more at our partner SIXBID

Coin of the Year 2026

As in 2025, the Austrian Mint won three awards, as did the Monnaie de Paris, whilst Ukraine once again dominated the ‘Most Inspirational’ category. The best coin came from China.
read more at our partner SIXBID

125 Years of the Württemberg Numismatic Society

The Württemberg Numismatic Society will celebrate its 125th anniversary in 2026. We recount its founding and the celebrations marking this milestone.
read more at our partner SIXBID







Come to think of it

Contemporary coins: a reflection of our times

To what extent do contemporary coins reflect our times and our sensibilities? Ursula Kampmann illustrates this using CIT’s ‘Scottish Highlands’ coin.
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

Contemporary coins: a reflection of our times

To what extent do contemporary coins reflect our times and our sensibilities? Ursula Kampmann illustrates this using CIT’s ‘Scottish Highlands’ coin.
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

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Coins, Medals and more

The finest specimen of the rarest gold coin from the German Empire

On 23 September 2026, Künker auctions Ernst II’s 20-mark coin from a physicist’s collection—the German Empire’s rarest gold coin, limited to 1,000 pieces. NGC knows no finer specimen.
read more at our partner SIXBID

From 10,000 to 325,000 euros: Catherine the Great dominates the auction

The Heidelberger Münzhandlung offered a 10-ruble coin of Catherine the Great at auction 92, starting at €10,000. It climbed to €325,000. We explain why, and what makes this coin so special.
read more at our partner SIXBID

Archive

The Bending Willow Tree

On 29 January 2025, Künker is going to auction off a unique willow tree coin. The reverse of the 10-ducat piece depicts a willow tree in a storm. But what is the message that William V, the Landgrave of Hesse-Kassel on whose behalf the coin was created, wanted to convey with this issue?

The Secret of the Success of State Quarters, UNESCO Coins and Federal State Series

25 years ago, the United States of America started a new chapter in numismatic history. Their State Quarters became the model for many other successful coin programs – including Spain’s UNESCO World Heritage Site series.

Swissmint Patterns at Numismatica Genevensis SA

Numismatica Genevensis will offer Swissmint patterns at auction on 9 and 10 December 2024. Some of these patterns belong to a commemorative coin that will not even be released until 2025. All of these patterns are true rarities – ranging from unique to a maximum of four pieces in existence!

The Suffering of Leiden – A Siege During the Dutch Revolt

The third part of the Beuth Collection that Künker offers in Auction 420 contains many historically interesting emergency and siege coins. They were issued by the Dutch towns besieged by Spain during the 80 Years’ War. One of these towns was Leiden, which to this day commemorates the end of the siege every year with a festival.

On the road

Boston Is Getting a Museum of American Finance

Boston is opening a new Museum of American Finance: Discover rare banknotes, U.S. financial history, and interactive exhibits exploring the world of money.
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

Boston Is Getting a Museum of American Finance

Boston is opening a new Museum of American Finance: Discover rare banknotes, U.S. financial history, and interactive exhibits exploring the world of money.
read more at our partner SIXBID

Who is who

Fun

Franklin’s World:

Good to know

What is a Kontorniat?

The word ‘Kontorniat’ comes from Italian and is derived from the Italian ‘contorno’ (= edge). You can find out here what cultural and historical phenomenon lies behind these numismatic objects.
read more at our partner SIXBID

What is a cut bid?

Nowadays, when most bidders simply press a button on their computer, many have forgotten that, just a few decades ago, bidding was an art form. Here you can find out what psychological tricks were used in bidding and what a cut bid is.
read more at our partner SIXBID

Boston Is Getting a Museum of American Finance

Boston is opening a new Museum of American Finance: Discover rare banknotes, U.S. financial history, and interactive exhibits exploring the world of money.
read more at our partner SIXBID