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

Royal Canadian Mint Unveils New Effigy of Charles III

The Royal Canadian Mint have unveiled the new effigy which will be seen on Canadian circulation, collector and bullion coinage. The new likeness was revealed on the 75th birthday of His Majesty. Michael Alexander takes a closer look.

Bulgaria Will Adopt the Euro in 2026

The euro area is expanding: On June 4, 2025, the European Central Bank confirmed that Bulgaria meets the requirements for joining the eurozone. This clears the way for the introduction of the euro on January 1, 2026 – provided that preparations can be completed in time.

CIT: The Last Issue in the Real Heroes Series – Astronaut

With the last issue of the Real Heroes series, CIT pays tribute to the courage of astronauts. The focus is on an iconic scene that was implemented with technical perfection as a reflection in the visor of a spacesuit.

The Numismatic Index numindex in November 2023 – Your Feedback Counts!

At the beginning of the year, numindex was launched as a kind of stock index for coins. In addition to regular updates, some helpful new features have since been introduced. Your opinion as a CoinsWeekly reader is now needed!

Archive: Coins, Medals and more

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.
The Madrid Mint Museum is a service of the FNMT, the Fábrica Nacional de Moneda y Timbre. Photo: Museo Casa de la Moneda.

The Casa de la Moneda Museum in Madrid

Are you interested in coins of Spain and the Hispanic world? Then we have an important address for you: the Museum of the Casa de la Moneda in Madrid, which is located on the premises of the Spanish mint.
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