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

Certified Collectibles Group to Acquire James Spence Authentication

Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.

Pop Culture & Coins Unite! The National Coin Week 2025

What do Homer Simpson, the Olympic games, Elvis Presley, and Superman have in common? They’ve all been featured, or will soon be featured, on coins. This year’s annual National Coin Week, April 20-26, 2025, explores the fascinating ways pop culture influences money.

The last time the coins were catalogued in a paper format in 1905. Image: University of Glasgow.

Collection of British Celtic Coins Accessible Online

A collection of Celtic British coins in the possession of The Hunterian Museum in Glasgow is now digitally catalogued and accessible worldwide, thanks to student volunteers from the University of Glasgow.

George Frederick Kolbe.

George Kolbe Retires from Bookselling

After over 55 years in the numismatic bookseller business, George Kolbe decided to retire from the partnership of Kolbe & Fanning Numismatic Booksellers.

Archive: Coins, Medals and more

Pattern of the First-Class Warrior Medal – A Previously Unknown Relic of German Colonial History

Leu’s first World Coins Floor Sale features a previously unknown pattern of a warrior merit medal for indigenous soldiers in German East Africa. This exceptional item provides rare insight into the early development of this obscure decoration.
The authentic piece from the past: the “Feierstëppler” could be found in circulation in Luxembourg for more than half a century. Photo: Wieschowski

A Coin on a Coin: Luxembourg to Resurrect the “Feierstëppler”

The Grand Duchy honours its past as a centre of the steel industry with a new 2-euro commemorative coin bearing the unwieldy title “100th anniversary of the Grand Ducal decree on the issue of the ‘Feierstëppler’”.
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