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

Hustle and Bustle at one of the two ballrooms: The New York Numismatic International Convention is known for stylish and elegant venues. Photo: Sebastian Wieschowski-

Classical Numismatics Gets Off to a Great Start to 2024 in New York

The 52nd New York International Numismatic Convention was held from 12 to 14 January at the InterContinental New York Barclay Hotel. All the “sold” signs on the dealers’ tables clearly show that classical numismatics is still in high demand.

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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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2-Euro Ticker: New 2-Euro Coins in April 2025

There were no official issue dates for 2-euro coins in April, but one topic is currently occupying 2-euro coin collectors in particular: the new issuance policy of Finland.

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Crowds of visitors at the Sberatel. Photo: BS.

Sberatel: The Place to Meet Czech Collectors

On 8 and 9 September 2023, the Sberatel took place in Prague. It calls itself the largest coin show in Central and Eastern Europe – and this is no exaggeration. Ursula Kampmann was there.

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Archive: Coins, Medals and more

Maria Theresa and Her Persecution of Jews

On 18 December 1744, Maria Theresa adopted a decree that expelled 40,000 Bohemian Jews from their homeland. A medal testifies to the fact that she had to revoke the decree due to financial and diplomatic pressure. The time of Jewish persecution was over for the time being – that is, until the genocide of the Jews in the 20th century.
Bei genauer Betrachtung können Münzen besondere Merkmale aufweisen, die sich entweder gut oder schlecht auf ihren Wert auswirken. Diese zu erkennen und mit den richtigen Begriffen benennen zu können ist wichtig für jeden Münzsammler. Achtung, Bronzepest kann ihre Sammlung zerstören! Foto: Shutterstock.

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2

The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.
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