The drawing known as “Head of a Bear” was sketched on a square piece of pale, pink-beige paper measuring just less than 3 inches. The piece is believed to have been drawn around 1480. It was estimated ...

LONDON — A drawing by Italian Renaissance master Leonardo Da Vinci, one of the last to be sold, is expected to fetch $16 million when it's auctioned on Thursday. Estimated to be more than 500 years ...

Head of Bear, a rare Leonardo da Vinci drawing in private hands, will be offered at Christie’s London in July, with an estimate of between £8 million (US$11.1 million) and £12 million. The drawing, ...

An optical illusion is a puzzle in which the image in front of you possesses a different perception. These illusions are ...

Leonardo Da Vinci's drawing of the head of a bear is set to be sold for up to £12 million in an auction, despite measuring less than three inches squared. The picture, titled 'Head Of A Bear', is ...