

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.

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.

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.

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.

5 ducats, 1681.
Struck with the dies of a guilder.
NGC PF 64 Cameo.
Proof.

5 ducats, 1634, Vienna.
Extremely rare.
Extremely fine-uncirculated.

Salvator Medal in the weight of 12 ducats,
n. d.(around 1840).
NGC PF 61 CAMEO.
Proof.

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.
Archive: People and Markets
How Not To Handle a Gold Transport
Nearly a million euros worth of gold coins were transported in a carrier van to a precious metals dealer without any security measures. No prizes for guessing whether or not they actually got there. A lawsuit in Bavaria reveals how this could happen.
The New and Advanced Coin Yearbook 2025
The new 2025 edition of the Coin Yearbook is fully revised and updated. It features accurate up-to-the-minute pricing of English, Scottish, Irish and Isle of Man coins and many more features.
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.

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I
SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.












The Numismatic Index on 25 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.
“Luxury and Power: Persia to Greece” at the British Museum
Over centuries the Persian empire and the Greeks had many conflicts. But nevertheless they influenced each other in many ways, as coins and works of art document. A major exhibition at the British Museum explores the relationship between luxury and power in this time.