154Prussia. Frederick William IV, 1840–1861.
Gold medal in the weight of 50 ducats
commemorating the publication of the second volume
of Alexander von Humboldt’s *Kosmos*.
NGC MS 65 PL.
From the estate of Emperor William I.
Estimate: 40.000 Euro

166Prussia. Frederick William IV, 1840–1861.
Gold medal in the weight of 50 ducats commemorating
the unveiling of the equestrian statue of
Frederick the Great on Unter den Linden in Berlin in 1851.
NGC MS 63 PL.
From the estate of Emperor William I.
Estimate: 25.000 Euro

191Prussia. William I, 1861–1888.
General’s Medal in the weight of 120 ducats, 1871,
commemorating the victory over France.
A magnificent specimen.
From the estate of Emperor William I.
Estimate: 75.000 Euro

297Russia. Nicholas I, 1825–1855. Family ruble.
1 1/2 rubles (10 zlotys), 1835, St. Petersburg.
NGC MS 64 (Top Pop).
Only 36 examples struck.
A cabinet piece from polished dies.
From the estate of King Frederick William IV.
Estimate: 250.000 Euro

1098Holland. Province.
5 ducats, 1681.
Struck with the dies of a guilder.
NGC PF 64 Cameo.
Proof.
Estimate: 40.000 Euro

1192HRE. Ferdinand II, 1592–1618–1637.
5 ducats, 1634, Vienna.
Extremely rare.
Extremely fine-uncirculated.
Estimate: 10.000 Euro

1266HRE. Vienna.
Salvator Medal in the weight of 12 ducats,
n. d.(around 1840).
NGC PF 61 CAMEO.
Proof.
Estimate: 15.000 Euro

1334City of Regensburg.
5 ducats, n. d. (1708–1710),
with the title of Joseph I. NGC MS 64.
Extremely rare. According to mint records,
only 7 copies struck.
A magnificent piece.
Estimate: 25.000 Euro

1602German New Guinea.
10 New Guinea Marks, 1895 A.
NGC MS 65.
A magnificent piece.
Estimate: 50.000 Euro

2757Saxony.
John Frederick the Magnanimous and
Maurice, 1541–1547.
Trinity Medal, 1544.
A masterpiece of German medal art. Magnificent,
excellent craftsmanship.
Estimate: 75.000 Euro

Archive: People and Markets

Archaeologists in Awe at the Sight of Sardinia’s Folles Hoard

Italian archaeologists are calling it one of the most important finds in recent years: up to 50,000 bronze coins dating from the 4th century have been discovered off the Sardinian coast. Apart from the outstanding size of this hoard, the coins’ condition is also astonishing.

How AI Is Transforming Numismatics

Can entire numismatic reference books be written by artificial intelligence? Are ChatGPT and similar technologies becoming competitors for news portals, specialist publishers, and PR agencies? What can AI truly achieve? We put it to the test.

Leu Numismatik Sponsors the New Friedrich Imhoof-Blumer Fellowship in Winterthur

Leu Numismatik is supporting the new Friedrich Imhoof-Blumer Fellowship at the Coin Cabinet in Winterthur, which will be awarded for the first time in 2025. The fellowship, endowed with CHF 3,000, is aimed at early-career researchers working on a numismatic project. Application deadline: June 30, 2025.

Das Objekt der Begierde: Die 2-Euro-Gedenkmünze zum 500. Jahrestag des Vertrages von Burgos. Foto: Musee des Timbres et des Monnaies.

A Coveted 2-Euro Coin: Monaco Introduces Penalty Fee for Multiple Orders

The Principality’s commemorative coins are among the most expensive and sought-after collectibles in the eurozone – but they have also attracted speculators for years. The sales office is now taking drastic measures.

Archive: Coins, Medals and more

What Will Be Depicted on Croatia’s Euro Coins?

In 2023, Croatia will become the youngest member of the euro zone. The themes of Croatia’s euro coins have already been chosen – and one of them has stirred up controversy. Let’s find out how Croatia presents itself to Europe on its new coins.

From Taler to Mark: The Long Road to a Common Currency

As Germany gradually evolved into a nation-state in the 19th century, the many currencies that circulated in its territories were also unified step by step. Coins from the Duchy of Saxe-Coburg and Gotha in Künker’s auction 388 illustrate the long path from the taler to the mark.
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