Leonardo da Vinci's bear drawing could reach $16.7 million in auction sale
The 7-centimetre square ‘Head of a Bear’ is a silverpoint drawing on a pink-beige paper. Auction house Christie’s said it was "one of less than eight surviving drawings by Leonardo still in private hands outside of the British Royal Collection and the Devonshire Collections at Chatsworth". Christie’s is selling the work in London on July 8 with a price estimate of $11.14m to $16.71m. Read More “The work has been owned by some of the most distinguished collectors in the field of old,” said Ben Hall, old master paintings chairman at Christie’s New York, where the piece is on di...