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

Bring your collection to life with Coiniverse. Image: Coiniverse.

Coiniverse Launches AI Assistant for Coin Collectors

The coin collecting app Coiniverse announced the launch of Coin AI, a cutting-edge generative AI assistant designed to enrich the coin collecting experience. Find out what it can do.

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CDN Acquires Whitman: What Does This Mean for the Coin Market?

CDN Publishing acquires Whitman Publishing: who is behind the companies and why will this deal affect the international and US coin markets? A commentary by Ursula Kampmann.

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Will the Online Platform “Discord” Become the Coin Club of the Future?

Young collectors are embracing technology from the world of computer games to pursue their hobby. Thousands of coin enthusiasts discuss, trade and compete on gaming servers – and from time to time they meet in European capitals to hunt for rarities.

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Successful IAPN Congress in San Francisco

In May, the 72 annual Congress of the IAPN took place in San Francisco. Read here who won the prestigious IAPN book awards this year!

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Archive: Coins, Medals and more

Some of the protagonists of the 30 Years' War depicted on coins. Coin photos: Künker (see further illustrations of the article). Background: copper engraving of the second battle of Breitenfeld on October 23, 1642, detail.

The Protagonists of the Thirty Years’ War: A Slightly Different Preview of Künker’s Auction 410

On 23 September 2024 Künker will auction off a breathtaking collection including many multiple gold coins, multiple talers and rare medals relating to the Thirty Years’ War. We present the most beautiful pieces, and explain why the men depicted on these issues took part in the Thirty Years’ War.
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.
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