

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
Stack’s Bowers Galleries Opens New Gallery in Miami, Florida
On the heels of their recently opened Copenhagen office, Stack’s Bowers Galleries again increases their global presence: a new rare coin gallery and showroom will soon open in the heart of Brickell, Florida, Miami’s vibrant financial district.
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.
Archive: Coins, Medals and more

The First Years of Czechoslovak Coinage
SINCONA will auction off an impressive collection of Czechoslovak patterns. The offer includes a pattern for the Wenceslas Ducat of which only two specimens exist. Moreover, the sale features the very specimen of the Wenceslas Ducat that President Mazaryk gave to the family of the murdered Finance Minister Rašín.

Queen Anne: Great Britain on Its Way to Becoming a Global Power
On 26 May 2025, SINCONA will auction off part 6 of the British Collection presenting the medals of this ensemble. In this article, we will show you some of the treasures among the lots and explore the story of Queen Anne. Under her rule, Great Britain became the most important trading power in Europe.












Royal Canadian Mint Reports First Quarter 2024 Financial Results
The Royal Canadian Mint has released its financial results for the year 2023 and the first quarter of 2024, offering insights into its activities, market influences, and expectations for the coming year.
John Highfill († 15 June 2025)
Tulsa, Oklahoma rare coin dealer John Highfill, founder of the National Silver Dollar Roundtable and author of a landmark 1,200-page reference book, The Comprehensive U.S. Silver Dollar Encyclopedia, passed away on June 15, 2025. He was 82.