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

Poetic Machines: Swissmint Honors Jean Tinguely

Steel, wheels, movement, order and chaos – Swiss artist Jean Tinguely was fascinated by the poetry of machines, which he captured in his kinetic machine sculptures. To mark what would have been his 100th birthday, Swissmint is honoring the exceptional artist with a silver coin.

Between Tradition and the Demands of a New Economic World

The 32nd Mint Directors Conference took place in Cape Town from April 27th to 29th, 2025. It was the highlight of my numismatic journey through South Africa. In an international context, South Africa presented itself as a promising country of (numismatic) opportunities.

Hintergrund: Softcodex via Pixarbay, Helvetia: CoinInvest GmbH via Wikicommons – CC BY-SA 4.0.

Gold Coins With Altered Years: Also a Known Problem in Switzerland

In one of our last issues, we published an article by NGC about a Prussian gold coin with an altered year. Switzerland is also very familiar with such forgeries, as Patrick Huber tells us.

A New Member to Join the SINCONA Team: Michael Otto

The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.

Archive: Coins, Medals and more

Schweiz. 1/4 Franken (Gold) 2020, Bern. CoCo CH-2020-0002. Bild: Swissmint.

Swissmint, a Mint of Records

Swiss numismatics is full of surprises, rarities and exciting stories. We have compiled a little overview of national and international records for you.
A map of the Duchy of Jülich-Berg by Willem and Joan Blaeu, 1645 and the reverse of the newly discovered denomination of a 6 Albus light of 1640.

A Discovery From Jülich-Berg

New coin varieties are not so uncommon, but a new denomination really is. Joachim Stollhoff has found a 6 Albus light of the Duchy of Jülich-Berg minted in 1640. The coin will be offered in the forthcoming auction of Münzen & Medaillen GmbH.
Search Search