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

French Error Coin: The Monnaie de Paris Coin Mishap

The French mint Monnaie de Paris had planned to introduce a new design for coins of 10, 20 and 50 cents in 2024, but a mishap with serious consequences occurred – and while the extent of the financial loss that ensued is still unknown, it is clear that it caused great damage to the mint´s image.

German Coins in 2026: Two New Series and a Familiar Face

The Federal Ministry of Finance has published the coin programme for 2026. Collectors can look forward to a total of twelve coin issues covering a wide thematic spectrum.

The 100-euro gold coin 150th Birthday of Ivana Brlić-Mažuranić. Image: Croatian Mint.

Ivana Brlić-Mažuranić: The Woman Who Gave Croatia Its Fairy Tales

Ivana Brlić-Mažuranić is one of the authors that every Croatian is familiar with because they grew up listening to her fairy tales. Now the Croatian National Bank is issuing two collector coins to commemorate the 150th birthday of Ivana Brlić-Mažuranić.

Among the about 300 found silver pieces are ca. 50 complete coins. Photo: Nordjyske Museer, Denmark.

Hobby Detectorists Find Viking Treasures

Two coin hoards from Viking times were found by detectorists in Denmark at once. The coins by Harald Bluetooth tell of a dramatic period and led researchers to the sensational find of a settlement area.

Archive: Coins, Medals and more

Fascinating Change: The 50 State Quarters of the USA – a Milestone

By means of the 50 State Quarters, the US Mint succeeded in rekindling the people’s love of coins and bringing it to the next generation. What was so special about this series? Let’s look back.

Joachimsthal and the Reformation

On 29 January 2025, Künker will auction a series of valuable Renaissance medals. They feature biblical topics and were minted in the region of Joachimsthal to spread the teachings of the Reformation. Johannes Mathesius, the author of Luther’s Table Talk, may have been at the origin of some of the motifs.
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