What is provenance?

10 March 2026

#goodtoknow

Provenance is important, as any coin dealer will tell you today. But Ursula Kampmann explains who this is important for, why, and what it actually is.

6 March 2026

#sixbid

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

#sixbid

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.

3 March 2026

#cometothinkofit

The end for Berlin's Institute of Archaeology?

Humboldt University says the Institute of Archaeology must be restructured due to budget cuts, affecting numismatics seminars too. Is this closure a sign of the times?

3 March 2026

#coinsandmedals

Kumaragupta and the Rhinoceros

While Rome struggled in the West, Gupta culture flourished in northern India. Their coins rival Rome’s. Here is a coin of Kumaragupta, the rhino slayer.

24 February 2026

#peopleandmarkets

Child of his time: On the death of Anton “Toni” Tkalec (1948-2026)

Anton Tkalec died in Vienna in early February. Though long surrounded by scandal over the Seuso affair, his role was never proven. Friends remembered him as warm and generous. Who was he?

24 February 2026

#peopleandmarkets

Phil Skingley (1972-2026)

Philip Skingley was the epitome of a British gentleman—always polite and friendly, a tireless, knowledgeable numismatist who shunned the limelight. He died unexpectedly on February 4, 2026.

16 February 2026

#sixbid

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.

10 February 2026

#peopleandmarkets

Podcast Greysheet at the World Money Fair 2026

Since last year, the Greysheet Podcast has been bringing American investors and European numismatics closer together. John Feigenbaum and Ursula Kampmann report live from the World Money Fair.

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