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

The Numismatic Index on 13 June 2023

The numismatic index numindex transparently shows how the prices of selected coins change over time. In the style of a stock index, it was designed for collectors who consider their collection an investment. Find out about the current state of the index.

Aquileia: A Centre of the Late Roman Empire

Under the Tetrarchs, Rome lost its position as the main residence of the emperor. Other sites with a more favourable strategic location took over this role. One of them was Aquileia. Those who visit the city today will find traces of Roman civilisation everywhere. Join Ursula Kampmann on her numismatic discovery tour!

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.

Birthday Celebration: Employees of the Perth Mint toast to the 125th anniversary. Photo: The Perth Mint.

The Perth Mint Celebrates with Cake for 125th Birthday – and a Special Sovereign Coin

On June 20th, The Perth Mint celebrated the significant milestone of 125 years of operation as a gold refiner and producer of high-quality precious metal coins.

Archive: Coins, Medals and more

Naval battle near Elseneur. Painting by Peter van de Velde. Coin: Netherlands / Holland and West Frisia. Pattern for the 1670 scheepjesschelling. Very rare. Very fine. Estimate: 200 euros. From Künker 414 (27/28 September), No. 4447.

Bloody Flag and Scheepjesschelling

On 27 and 28 September 2024, Künker will auction off part 2 of the Beuth Collection with Dutch coins in collaboration with Laurens Schulman. This important collection includes numerous rarities. But it also contains affordable coins with two-digit estimates that are just as fascinating as their unique and extremely rare counterparts, as we will prove in this article.
Background: Doktent via Wikicommons / CC BY-SA 4.0.

Regensburg: Where the Emperor and the Empire Met

Only a few German cities issued as magnificent early modern coins as Regensburg. And there is a good reason for this – gold and heavy silver coins in particular were in high demand in this city. Not for trading purposes but for representation. After all, the Perpetual Diet of the Holy Roman Empire sat in Regensburg. Read here how it worked and what role coins played in this event.
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