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

The London Mint Office is insolvent

The London Mint Office has been in administration since 31 July 2026. Under UK law, this refers to a form of voluntary administration involving an automatic stay of payments due to insolvency.
read more at our partner SIXBID

Update on US Tariffs on Coins

And once again, President Trump has announced new tariffs. The good news is: They do not appear to affect coins and collectibles.
read more at our partner SIXBID

The London Mint Office is insolvent

The London Mint Office has been in administration since 31 July 2026. Under UK law, this refers to a form of voluntary administration involving an automatic stay of payments due to insolvency.
read more at our partner SIXBID

Update on US Tariffs on Coins

And once again, President Trump has announced new tariffs. The good news is: They do not appear to affect coins and collectibles.
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

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

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

Archive

Münster, Osnabrück, Passau and the Counts of Lamberg

Münster, Osnabrück and Passau: How are these places related to the Counts of Lamberg? We use coins from Künker’s auction 424 to illustrate how noble families in the Holy Roman Empire climbed the social ladder in early modern times, and explain the reasons for and the consequences of such ascents.

Why Are There So Many Coins Depicting Saint George?

Saint George is one of the most popular saints of the Middle Ages and the early modern period. He is venerated by both Catholic and Orthodox Christians, the Druze and even Muslims. What do we know about this saint? Did he even exist? And why are there so many coins depicting him?

Railway tunnel under Surami pass near the village Tsipa, Chkherimela valley, Georgia 2014. Image: Karel61 via Wikimedia Commons / CC BY-SA 4.0. In front: Silver medal commemorating the opening of the Suram Tunnel in 1890 by L. Steinman. Künker auction 408, No. 234.

For Railroad Fans: The Suram Tunnel

Railroad history is linked to numismatics in many ways. Fascinating large-scale projects were often celebrated with medals and commemorative coins. Our example takes us to Georgia: A medal that will be offered for auction by Künker commemorates the opening of the Suram Tunnel.

Berlin and South Africa – A Time-Honoured Connection

Did you know that the first coins of the Boer Republic came from Berlin? It was quite a challenge to create the dies because the Berlin engraver Otto Schulz had no idea of Boer identity, which is why things almost went wrong…

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