Paul Allen's treasure trove raises more than $10 million for charity

The Microsoft co-founder's collection of rare artifacts and memorabilia have raised more than $10 million at auction.

The three-day auction, which ended on Tuesday, saw more than 1,000 items go under the hammer, including a guitar owned by Jimi Hendrix and a letter written by Albert Einstein.

The proceeds from the auction will go to the Paul G. Allen Family Foundation, which supports a variety of charitable causes, including ocean conservation, medical research, and education.

Allen, who died in 2018 at the age of 65, was a passionate collector of rare artifacts and memorabilia. His collection included everything from ancient Egyptian antiquities to modern art. The auction of his collection was one of the largest and most successful in recent history.

Among the highlights of the auction was a guitar owned by Jimi Hendrix. The guitar, which Hendrix played at the Monterey Pop Festival in 1967, sold for $5.2 million.

Another highlight was a letter written by Albert Einstein to his friend and colleague Max Born. The letter, which discusses Einstein's theory of relativity, sold for $2.8 million.

The auction also featured a number of other rare and valuable items, including a first edition of Charles Darwin's "On the Origin of Species" and a painting by Pablo Picasso.

The proceeds from the auction will go to the Paul G. Allen Family Foundation, which supports a variety of charitable causes. The foundation's mission is to "advance human knowledge, foster understanding, and promote a better world."