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: unc
581
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: PL
805
Estimate: 1.000 EURNetherlands,
Friesland.
Adler-Taler 1598.
Condition: Very rare, vf
886
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 PR62
2681

Archive: People and Markets

Warning Against Overpriced Coins: “Stick Figure” and “Woman on a Bull” Designs Aren’t Just Found in the Euro Zone

“Mega-rarity from your change” – sensational headlines like these frustrate coin collectors and dealers across Europe. Yet, it’s not just within the Eurozone that supposed rarities, often lacking genuine collector value, make waves.

Stockholm Numismatica 2023

In 2023, Stockholm Numismatica will take place on 1 October. The previous day at the same premises a series of exclusive coins from the Gunnar Ekström collection will be sold in a public auction.

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.

The numindex on 13 June 2023.

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.

Archive: Coins, Medals and more

Record! South African Rarity Leaves All Previous Top Prices Far Behind

Recently, a South African coin was auctioned at Heritage for $1.8 million (excluding premium) – exceeding the previously highest known auction results for South African coins by a remarkable $1.5 million. What makes the “Single 9” such a rarity?

Coloured Metal from Austria: Niobium Coins

In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.
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