Stephen Hawking's personal affairs, including his signed doctoral dissertation of 1965, have raised more than 1.8 million during the auctions.
The 22nd item auctioned by the Cambridge Physicist, who dies in March, was auctioned at the Christian auction.
His dissertation titled "Expanded Universe Characteristics" – only one in five – was sold for GBP 584,700
In an early wheelchair, $ 296,750 was raised for charity, and for his appearance in The Simpsons, he sold £ 6,250.
Christie's nine-day online auctions said that the subjects were "the ultimate triumph for the scientific brilliance of failure".
The historic doctoral dissertation was signed twice by Professor Hawking and wrote by a scientist in the year he was diagnosed with a mechanical nerve disease.
It is expected to repay £ 150,000, but the global interest reached almost four times the amount.
Participants were awarded with medals and awards totaling 296,750 lats, while Professor Hawking's scientific works and other library books by famous scientists such as Isaac Newton, Charles Darwin and Albert Einstein's work went to tens of thousands of pounds
Professor Hawking's "Short History" book, which he signed with a note in 1988, sells for £ 68,700, exceeding the indicative price of $ 3,000.
In total, 1,824,375 pounds were attracted to the auction.
Fizist daughter Lucy said Christie's help the family "to manage the unique and precious personal and professional collections of our beloved father".
Revenues from the sale of red-skin wheelchairs will go down to the Stephen Hawking Foundation and the Motor Neurone Diseases Association.
Sophie Hopkins, Christie's manuscript and archivist, said that most of the collection is "incredibly iconic."