Leonardo da Vinci’s Codex Leicester was sold to Bill Gates for the equivalent of today’s $50.2 million.

Written in 1510, The Codex Leicester is a 72-page linen manuscript of Leonardo’s thoughts, theories and observations of the world. It came into Bill Gates’s possession in 1994, who then had it digitally scanned, and released some of the images as screen savers and wallpapers for Windows 98 Plus.


A rare fact that has changed many lives involves The Tales of Beedle the Bard.

J.K. Rowling hand-wrote seven copies of the short stories collection and had them bound with jewel-encrusted covers. Six went to people who helped her with Harry's journey, and the final copy was auctioned for £1.95m ($3.98 million). Proceeds went to her charity, Lumos.

Get it: Beedle the Bard 

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