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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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.

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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.
read more at our partner SIXBID