|Leonardo da Vinci’s Codex Hammer. Leonardo da Vinci meticulously recorded his thoughts throughout his life. His most famous is the Codex Hammer, named for the British nobleman who acquired the 72-page journal in 1717. Three years after Bill Gates bought the historic diary, he released a digitally scanned version. The manuscript sold for $30,802,500 in 1994.|
The 18th Century Badminton Cabinet was commissioned by Henry Somerset, 3rd Duke of Beaufort and took thirty experts 6 years to make. The ebony cabinet is over 12 feet tall. It became the highest-priced piece of furniture in the world when it was first auctioned for £8.58m million in 1990 and again set the record when it was auctioned in 2004, this time for £19 million. ($ 36,662,106).