What is an estimate?
Do today’s coin dealers have no idea about the value of a coin? Or why is it that their estimates have nothing to do with the surcharges? Ursula Kampmann explains.
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Entries by Marc Culas
Leipzig Coin Dealers: 35 years of girl power
On July 1, 2025, the Leipzig coin dealer and auction house Heidrun Höhn e.K. celebrated its 35th anniversary. We take a brief look back at the history of the company, which is dominated by strong women and is now holding its 109th auction.
The bridge over the Menai Strait on the Telford Prize medal
Since 1826, the first suspension bridge in history has spanned the Menai Strait, connecting the island of Anglesey with the Welsh mainland. This pioneering feat of engineering is commemorated by the Telford Medal, which is still awarded today by the Institution of Civil Engineers for outstanding achievements.
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A medal commemorates the Krakow Constitution of 1833
Prussia, Austria, and Russia divided Poland among themselves. But Poland did not disappear. Polish nationalists rose up in repeated uprisings to reclaim their land. This had dire consequences for the population, as evidenced by a medal awarded to the victors.
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SINCONA’s 100th auction: Jürg Richter reminisces
Coin collectors have almost forgotten that SINCONA has only been around since May 1, 2011. In 2025 the company will hold its 100th auction. We asked Jürg Richter to share some of his memories with us.
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The London classic: the Coinex
London CoinEx takes place on the last weekend in September. It has done so for decades. Despite competition, it has not (yet) lost its appeal, at least for those interested in coins in the upper price segment.
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The Greysheet podcasts on European market developments
Greysheet & Red Book are now working with MünzenWoche to bring American collectors the latest news from the world of European numismatics.
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The First World War, Australia and its kookaburra penny
During the Battle of Gallipoli, 8,709 Australians were killed and 17,924 were wounded. This was an enormous loss of life – at least in relative terms! Around one in every 50 Australians of military age was affected. After the war, Australia therefore demanded a new role in the Commonwealth. A coin that will be auctioned at Künker on 8 October 2025 commemorates this event.
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A visit to Heritage Auctions
Join us as we delve into the world of Heritage Auctions – the world’s largest auction house, where rare treasures, exciting stories and records are just a hammer blow away.
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US Mint: Denver Branch
There are few government mints that are open to visitors. One of them is the Denver Mint, where American currency is produced. What impact is current US policy having there? We investigated on site.
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