Estimate: 1.300 EURThrace,
Byzantion.
Stater (250–1st century BC).
Condition: ef+69
Estimate: 1.800 EURRoman Empire,
Matidia.
Denarius (112 AD), Rome.
Condition: very rare, vf /vf+.222
Estimate: 11.000 EURRoman Empire,
Julian II. Apostata as Caesar.
Solidus (355–357 AD), Rome.
Condition: unc581
Estimate: 6.000 EURDenmark,
Frederik IV.
Double-Ducat 1704, Copenhagen.
With certificate of authenticity.
Condition: ef-681
Estimate: 1.000 EURIreland,
George III.
6 Shilling Token 1804.
Condition: PL805
Estimate: 1.000 EURNetherlands,
Friesland.
Adler-Taler 1598.
Condition: Very rare, vf886
Estimate: 2.000 EURSinzendorf,
Johann Wilhelm.
Ducat 1753, Nuremberg.
Condition: rare, lightly worked, vf-1165
Estimate: 2.000 EURPomerania-Stettin,
Bogislaus XIV.
Taler 1629.
Condition: very rare, very fine details, vf+.1385
Estimate: 1.200 EURReuss,
younger line,
Heinrich XIV.
2 Mark 1884 A.
Condition: unc-2059
Estimate: 12.500 EURDependencies, Danzig.
25 Gulden 1923.
Condition: PCGS PR622681

Archive: People and Markets

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 summit building of the Schilthorn with Eiger, Mönch, and Jungfrau. Photo: Background: Schilthornbahn via Wikimedia Commons / CC BY-SA 4.0. Coin: Swissmint.

Third edition of the Swiss Cable Cars series: Schilthorn Cable Car

The third coin in the “Swiss Cable Cars” series puts the Schilthorn in focus. A tribute to a region full of history and significance in the Swiss Alps.

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Only one year after winning the Saltus Award, Hanna Jelonek is honored with the 2023 Mel Wacks Judaica Art Medal Award.

The Mel Wacks Judaica Art Medal Award 2023

At FIDEM Florence 2023, the winner of the Mel Wacks Judaica Art Medal Award has been announced. The award is given for medals with Judaic, Biblical or Holy Land themes.

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The IADAA-logo.

Happy Birthday! The IADAA Turns 30

The International Association of Dealers in Ancient Art (IADAA) celebrates its 30th anniversary. James Ede, one of the founding fathers, remembers his personal experiences in the association and the antiquities trade.

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Archive: Coins, Medals and more

For the obverse of the 2022 20-Francs commemorative coin “Mani Matter”, various patterns were created, most of which are unique. They will be offered this fall at SINCONA.

SINCONA Offers Spectacular Swissmint Patterns

In its Auction 87, SINCONA AG showcases Swissmint patterns. They are truly remarkable as they are true patterns that were not produced for collectors but are natural by-products of the coin creation process.
Bei genauer Betrachtung können Münzen besondere Merkmale aufweisen, die sich entweder gut oder schlecht auf ihren Wert auswirken. Diese zu erkennen und mit den richtigen Begriffen benennen zu können ist wichtig für jeden Münzsammler. Foto: Elly2001 / CC BY-SA 4.0

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1

The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.
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