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

Osaka hosts Expo 2025 and Japan honors this event with the issuing of commemorative coins. Photo: Japan Mint. Background: Luca Florio / CC BY-SA 2.0.

Osaka 2025 World Expo Commemorated with Silver Coin

For Expo2025 Japan plans to issue five different coins. For one of these the Ministry of Finance has released the Design of a 1,000-Yen silver coin.

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CCG also has locations in London, Munich, Shanghai and Hong Kong, as well as more than 40 Official Submission Centers in regions around the world.

CCG to Open Tokyo Office in 2024

The Certified Collectibles Group® announced that it will open an office in Tokyo, Japan, in 2024. The new CCG office will make it easier for collectors and dealers in Japan and the surrounding region to submit to NGC, PMG and CGC.

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ROMA Numismatics to Close on 24 May 2024

On 24 May 2024, a chapter in the history of British numismatics will come to an end. The auction house ROMA Numismatics Limited will close its doors.

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Many collectors fall victim to fraudulent offers of so-called “error coins”. To prevent you from being one of them, numiscontrol explains how to easily detect fraudulent offers yourself. Image: Gerd Altmann / Pixabay

Beware of This Scam! These Euro Error Coins Are Not Error Coins

The Internet is currently full of so-called “error coins” – and many collectors fall victim to fraudulent offers. Our author numiscontrol explains what you need to know about the minting process to easily notice when something is off.

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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.
For the obverse of the 2022 20-Francs commemorative coin “Mani Matter”, various patterns were created, most of which are unique. They will be offered this fall at SINCONA.

SINCONA Offers Spectacular Swissmint Patterns

In its Auction 87, SINCONA AG showcases Swissmint patterns. They are truly remarkable as they are true patterns that were not produced for collectors but are natural by-products of the coin creation process.
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