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

Emsiges Treiben auf der Münzenmesse in Zürich. Auch hier bemerkten Sammler und Händler den Momentanen Trend. Foto: Michael M. Zagorowski.

Numindex Update: Prices for Mid-Grade Coins Are on the Rise

Even the Prices for mid-grade coins are on the rise at the moment. That is confirmed by the coin price index numindex. Michael Zagorowski tells us about the causes and recent observations in the trade and at coin shows.

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A wearable proof of love: “Key to my Heart”.

CIT’s Key to my Kingdom

How do you show a person how important they are to you? CIT proposes a coin series with the special technique smartminting® in Ultra High Relief with Special Shape. After “Key to my Heart” issued in 2022, now comes “Key to my Kingdom”.

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Wolfram Weiser (Johannes Heinrichs, Werner Eck (edd.)), Die Geldwährung des Römischen Reiches. Untersuchungen zu den Münzsystemen der mittleren und späten Kaiserzeit. Antiquitas I, 79. Dr. Rudolf Habelt, Bonn 2023. 247 S. 23x17 cm. 978-3-7749-4391-9. 60 EUR.

A Great Numismatist’s Important Book Published Posthumously

About a year after Wolfram Weisers death, his book on the currency of the Roman Empire has been published. Prof. Johannes Nollé has taken a closer look at this important German study.

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The Coin Hoard of Merishausen

From 15 March to 19 October 2025, the Museum zu Allerheiligen in Schaffhausen, Switzerland, is mounting a special exhibition on the coin hoard of Merishausen, presenting the results of research on this interesting ensemble to the public.

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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. Foto: Elly2001 / CC BY-SA 4.0

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1

The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.
Euro coins from Croatia. Photo: Angela Graff

The First Error Coins from Croatia

Croatian euro coins are still quite new: the popular tourist destination introduced the currency as recently as in January 2023. By now, the first Croatian coins have long found their way into Central European wallets – and there are also some error coins among them!
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