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

Coins from the Era of Marius and Sulla Discovered in Tuscany

In the Livorno region, a hoard of 175 Roman Republican denarii of remarkable quality was found in 2021. The existence of the treasure was kept secret until an exhibition displayed the pieces in 2023.

Voting for the Best Latvian Collector Coin of 2024 is Open

From 24 March to 6 April 2025, Latvijas Banka, in cooperation with the news portal Delfi, organises the traditional public vote “Latvia’s Coin of the Year 2024”. This vote will, for the 21st time, determine the public’s favourite collector coin issued during the previous year.

New Permanent Coin Exhibition at the Ducal Palace of Mantua

The most comprehensive collection of Mantua and Gonzaga coins and medals is now on long-term display at the Ducal Palace of Mantua. The exhibition is curated by numismatist Massimo Rossi.

The new High-Security Hologram prevents you from buying counterfeiters.

NGC introduces New High-Security Hologram with QR Codes

NGC is introducing a new high-security hologram as part of its efforts to combat counterfeiting of certifications. Among the hologram enhancements are a QR code and a numerical security code that are unique to the specific encapsulated collectible, making it extremely difficult for counterfeiters to replicate or tamper with the NGC holder.

Archive: Coins, Medals and more

Mit dieser Münze stimmt etwas nicht! Bild: NGC. Gemälde im Hintergrund: Eduard Gaertner, Unter den Linden, 1852

Counterfeit Detection: Altered Prussia 20 Mark

An NGC expert gives us insight into his everyday life. He shows how the year on a coin from the German Empire was altered by a coin doctor.
The courtyard of the Alcazár of Seville was immortalised on a 2024 2-euro coin from Spain. Photo: Real Casa de la Moneda (coin), javarman3 / Getty Images Pro via Canva Pro

The Secret of the Success of State Quarters, UNESCO Coins and Federal State Series

25 years ago, the United States of America started a new chapter in numismatic history. Their State Quarters became the model for many other successful coin programs – including Spain’s UNESCO World Heritage Site series.
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