It was flown to Finland in March 1918 and became the first aircraft to bear what would become the Finnish Air Force's roundel-a blue swastika, a symbol of good luck at the time, unrelated to its ...

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.

A small painting by Sandro Botticelli sells at auction for $120 million, a record for the Renaissance master and the second-highest price for any Old Master painting.

Since the end of the Second World War, Finland's Air Force aircraft have instead featured a white-blue-white roundel as the national insignia but the blue swastika remained on unit emblems, unit ...

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 ...

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 ...