The most expensive weapon sold at auction is a sword used by the French Emperor Napoléon Bonaparte (1769-1821), which achieved a record price of €4.8 million (£3.3 million; $6.5 million), when it was sold by one of the Emperor’s descendants to another branch of descendants, during an auction in Fontainebleau, France, on 10 June 2007. The 100-cm (39-in) curved steel blade is decorated in gold, with an ebony and gold handle and protected by a gold-decorated sheath; it is believed that Napoléon carried the sword into the Battle of Marengo, Italy, in June 1800.
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History of Auctioneering
The most expensive seal sold at auction was sold for $22,000,000 (£17,595,777) and was bought by an anonymous buyer (China) in Paris, France, on 14 December 2016. The seal had once belonged to one of China’s longest serving emperors, Qianlong (1735-1796) of the Qing dynasty, who owned 1,800 of them. According to the auction house, the seal was acquired by a French naval doctor during a trip to China in the 19th century, after which it remained in his family.
Country: France
Year: 2106
Date: December 14
Source: https://www.guinnessworldrecords.com/world-records/456051-most-expensive-seal-sold-at-auction