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

A New Member to Join the SINCONA Team: Michael Otto

The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.

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The British Museum suffered what was probably the largest theft in its history and a scandal that shook the institution to its core. Photo: hurk / Pixabay.

Red Alert at the British Museum

Thousands of objects have disappeared from the British Museum – allegedly stolen by a senior curator. The matter was uncovered by an antiquities dealer, whose warnings fell on deaf ears. The museum’s director has stepped down, and this seems to be merely the tip of the iceberg.

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A Well-Known Scam Strikes Again: Gold Coins Worth 280,000 Euros Gone

Using a well-known scam, a fraudster tricked a German senior citizen into handing over gold coins worth 280,000 euros. Find out how the scam works and how you can protect yourself and others.

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Brustplatte mit mythischem Wesen. Goldlegierung. Kolumbien, Sierra Nevada de Santa Marta (Nahuange-Tradition). The Museum of Fine Arts, Houston, Schenkung von Alfred C. Glassell, Jr. Okarina in Form eines sitzenden Anführers mit herausgestreckter Zunge. Keramik. Kolumbien, Sierra Nevada de Santa Marta (Tairona-Tradition). Los Angeles County Museum of Art, The Muñoz Kramer Collection, Schenkung von Camilla Chandler Frost und Stephen und Claudia Muñoz-Kramer. Landschaftsbild: © Museum Associates/LACMA.

More than Gold – Splendour and Thought in Indigenous Colombia

A new exhibition at Zurich Museum Rietberg is dedicated to the diversity of artistic production in pre-Hispanic Colombia. On display are spectacular gold objects.

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Archive: Coins, Medals and more

Queen Anne: Great Britain on Its Way to Becoming a Global Power

On 26 May 2025, SINCONA will auction off part 6 of the British Collection presenting the medals of this ensemble. In this article, we will show you some of the treasures among the lots and explore the story of Queen Anne. Under her rule, Great Britain became the most important trading power in Europe.

As the King Lay Dying… – The Most Spectacular British Gold Coin of the Modern Era

In Part 4 of its extraordinary British Collection, SINCONA will be presenting several extremely rare patterns, some of which are the best-preserved specimens available on the market. In this article, we tell their story.
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