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

The new website is growing and now includes all our Who’s Who entries.

Our Who’s Who Is Here!

Our entire Who’s Who for numismatists and collectors is now available on our new website. This is another important step on our path towards transitioning from our old to the new site. And there is more!

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The first flying coin is presented in a high-quality box.

Space Premiere – Mint of Poland Created the World’s First Flying Coin

The Mint of Poland presented the UFO MP-1766 at the World Money Fair 2024, which is said to be the first flying coin in the World. The coin is lifted by an internal motor and, upon interaction with a specially designed base, it levitates due to the magnetic field generated between them.

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Even 2,500 years ago, the story of Pegasus fascinated people so much that they depicted him on coins. Background: Dorota Kudyba via Pixabay.

Pobjoy’s Pegasus is Back With Charles III

The celebrated motif of Pegasus reappears in its 6th edition for Pobjoy’s reverse frosted silver coin. The new edition carries an effigy of His Majesty King Charles III produced exclusively by Pobjoy Mint.

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At the February 1, 2022, Paris conference: Vincent Noce, far left, Henrik Hanstein, President of the Federation of European Auctioneers (back shown), Alexandre Giquello, President of the Drouot, Professor Marc-André Renold, Christie’s CEO Guillaume Cerruti, IADAA Chairman Vincent Geerling (with microphone) and far right with his back to the camera, Roberto Riccardi, Head of Carabinieri Command for the Protection of Cultural Heritage.

Defamatory Attack on IADAA And Its Officers – a Response

A French newspaper article claims IADAA chairman Vincent Geerling to be involved in trafficking antiquities. A close look reveals a distortion of facts – or how the journalist and the authorities simply ignored them. With consequences not only for the accused.

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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.

Coin-Embedded Tableware as Part of European Dining Culture

In European castles and treasure chambers, we often come across magnificent coin-embedded vessels. These items represent wealth and knowledge. Although their roots can be traced back to the Renaissance, it was not until the bourgeoisie of the 19th century that they came into their own.
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