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

What to Do With a Million Pennies?

Imagine you are cleaning out the house of a late relative and find 1 million cent coins in the process. What would you do with them? This is what happened to a California family. Why had this huge amount of coins been amassed? And what could they be worth?

Giant’s Causeway: A Natural Wonder at Risk – Because of Coins?

One of Britain’s most iconic natural landmarks is under threat – because tourists are decorating the famous basalt columns of the Giant’s Causeway with coins. What may seem like a well-meaning gesture is now causing increasing damage to the geologically unique rock formation.

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.

Die Unterwasserarchäologen bei der Arbeit. Foto: Ufficio Stampa e Communicazione MiC

Archaeologists in Awe at the Sight of Sardinia’s Folles Hoard

Italian archaeologists are calling it one of the most important finds in recent years: up to 50,000 bronze coins dating from the 4th century have been discovered off the Sardinian coast. Apart from the outstanding size of this hoard, the coins’ condition is also astonishing.

Archive: Coins, Medals and more

Siege plan of the city of Frankfurt based on the original by Conrad Faber von Creuznach, 1552.

Two Cityscapes on Coins From Frankfurt am Main and The Artwork That Inspired Them

Many engravers used contemporary media to make their work easier. Their coin designs were often based on well-known engravings. This is illustrated by two pieces from the Loos Collection, which will be auctioned by Künker in September 2023.

State-of-the-Art Minting Technology

Colours, special shapes, inlays, micro inscriptions, latent images and holograms – many technologies are used on commemorative coins today. In this article, we give you a little overview of the different technologies that are currently applied in the coin producing industry.
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