An overview of assessment systems

24 June 2026

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Condition grades determine a coin’s value. Find out about the most important grading systems – from the German scale to the Sheldon system.

12 June 2026

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Louis XIII, Dix Louis 1640: From the Royal Mint to a pendant and back again

A 10-Louis d’or from 1640: originally a royal coin, then a wedding pendant, now restored. A numismatic masterpiece, now on offer at Sixbid.

11 June 2026

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Gold, Remembrance and Gallop: The Gold Coin of the Golden Horse Amazons Series in the Context of the Steigenberger Family

An ounce of gold as a trophy: The Golden Horse Amazons Series honours Albert Steigenberger and brings together horse racing, family remembrance and numismatics.

25 March 2026

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Understanding historical coinage

How were historical coins made? Discover hammer minting, its key features, and how strike quality influences the value of ancient and medieval coins today.

6 March 2026

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Stack's Bowers dominates Sixbid TOP COINS in February 2026

A month that made history: in February 2026, Stack's Bowers achieved such strong results on Sixbid that Sixbid dedicated its TOP COINS entirely to a single auction house for the first time.

5 March 2026

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The creation of an auction catalogue

An auction catalogue is more than just a list: we show how expertise, research, photography and text come together to create a coherent work for the auction.

16 February 2026

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What is the starting price?

How is the starting price of a numismatic lot determined? Rarity, condition, provenance and market trends determine the valuation – a balancing act between risk, attractiveness and expertise.

31 December 2025

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Top-Coins 2025 @ Sixbid

Discover the most beautiful, extraordinary and rare items that were auctioned on Sixbid.com in 2025.

26 November 2025

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The Large Salvator Mundi Medal worth 24 ducats

The extremely rare 24-ducat Salvator Mundi medal from the time of Franz Joseph I – a highlight of Viennese medal art – is coming up for auction.

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