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

New Security Standards for the World Money Fair

The personalization of tickets has become standard at many events. Starting in 2025, visitors to the World Money Fair will be required to provide their personal data when purchasing tickets.

Read more
So stellt sich die Grafik-Engine „DALL-E“ die Produktion eines numismatischen Fachbuches mithilfe von KI vor. Foto: Wieschowski

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.

Read more

Following Last Year’s Success: Münze Deutschland Again Sells Show Rarity at the World Money Fair

The World Money Fair is a haven for collectors hunting for limited-edition rarities. In 2024, a German coin card featuring the €2 coin “Mecklenburg-Vorpommern / Königsstuhl” caught everyone’s eye—and its market value skyrocketed to over €200. Münze Deutschland is now building on this success.

Read more

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.

Read more

Archive: Coins, Medals and more

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.

Important Collection of Islamic Glass Weights at Numismatica Genevensis SA

Islamic glass weights are fascinating due to their resemblance to coins and their still disputed function. Numismatica Genevensis is able to offer an entire collection in museum quality in its upcoming Islamic auction.
Search Search