8PHILISTIA.
Azotos.
Circa 420-350 BCE.
Rbʾ Šql = Drachm.Estimate: 20.000 CHF

67PHILISTIA.
Athenian-styled,
circa 420-350 BCE.
Rbʾ Šql = Drachm.Estimate: 35.000 CHF

375Vespasian, 69-79.
Aureus.Estimate: 100.000 CHF

497FRANKFURT.
Goldmedal 1898
on Rosenbaum and Hamburger.Estimate: 7.500 CHF

516FRANKFURT.
Goldmedal 1844
on S. M. Rothschild.Estimate: 25.000 CHF

1020SICILY.
Akragas.
Circa 410-406 BC.
Tetradrachm.Estimate: 50.000 CHF

1074ATTICA.
Athens.
Lachares, 296/5 BC.
Stater.Estimate: 35.000 CHF

1220Cleopatra VII of Egypt,
51-30 BC, with Mark Antony.
Tetradrachm.Estimate: 100.000 CHF

1304Umayyad Caliphate.
temp. Muʿāwiya I ibn Abī Sufyān,
AH 41-60.
Solidus.Estimate: 35.000 CHF

1437Mexiko.
Libertad Unze 1998
PP, NGC PF 68 UCEstimate: 1.500 CHF

Archive: People and Markets

Price Decline for Monaco Euro Coins – Is the Hype Over?

For many years, Euro coins from Monaco were regarded as true treasures among collectors. The exclusive mintings from the small principality were highly sought after, with prices seemingly heading in only one direction: steeply upwards. But now that trend appears to have come to an end—why?

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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.

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The coin shows two emperor penguins standing on the ice showcased in an extraordinary inverted relief.

Pobjoy Mints the World’s First Inverted 50 Pence Coin

Pobjoy Mint celebrates World Penguin Day with the world’s first inverted 50 pence coin. It features two emperor penguins.

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The Capitoline Museum is home of some of the most important cultural goods of Italy. Image: Suicasmo via Wikimedia Commons / CC BY-SA 4.0.

Legal Head of Italian Culture Ministry: “Fiendishly Extensive” Proofs Bar Imports

A significant statement on the importation of numismatic goods was issued in June 2023 by the legal department of the Italian Ministry of Culture. Read an analysis by Valentina Tarquini for Cultural Property News here.

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Archive: Coins, Medals and more

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 seals were primarily created by casting copper and consist of open form and closed form geometric and human/animal designs.

The St. Croix Collection of Baktrian Seals

Beginning with Electronic Auction 555, Classical Numismatic Group will be offering a highly important collection of Baktrian seals from the St. Croix Collection. Learn more about these fascinating objects from the Middle Bronze Age here.
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