![Leonardo da Vinci's (1452-1519) "Head of a bear" drawing is seen in this undated handout image. Copyright Christie's2021/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES. MANDATORY CREDIT](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/HDHDQH4FF22HW4AQIFRDCI6YGA.jpg?focal=1068%2C1127&auth=21493775576762778af8000f0adb5b137e3ced4b250467cd92c25f89605232a8&width=400&height=225)
Leonardo da Vinci's 'Head of a Bear'. Christie's / Reuters
Leonardo da Vinci's 'Head of a Bear'. Christie's / Reuters
Leonardo da Vinci's bear drawing could reach $16.7 million in auction sale
Christie’s is selling the work in London on July 8 with a price estimate of $11.14m to $16.71m