The so-called roundel is one of many that have been found scattered across Europe, but archaeologists are not sure what they were for.

A mysterious, newly discovered stone roundel in Prague is older than Stonehenge and the Egyptian pyramids, built some 7,000 years ago.

The rare 15th-century portrait Young Man Holding a Roundel by Italian painter Sandro Botticelli sold for a whopping $92.2 million, including fees, at Sotheby’s New York on Thursday morning. The ...

The UK has put a temporary export bar on a £17m Renaissance bronze roundel. The unique piece was found at a Devon country estate and sold at auction in 2003 for a then-record £6.9m to Qatari ...