This is stated in the message of the auction Christie's on Twitter.
#AuctionUpdate Leonardo da Vinci's 'Head of a bear' achieved £ 8,857,500 in The Exceptional Sale, setting a new #WorldAuctionRecord for a drawing by the artist.
The drawing is an exquisite demonstration of # LeonardodaVinci's unsurpassed mastery as a draughtsman.
# ClassicWeekLondonpic.twitter.com / d0Ja2Ualub
- Christie's (@ChristiesInc) July 8, 2021
It is noted that this work set a new record for a drawing made by the artist.
On May 22, it became known that a handwritten letter from theoretical physicist Albert Einstein, which contains the famous formula E = mc², was sold at the Boston RR Auction for more than $ 1.2 million.