Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker prepares to call the final bid for painting "Femme au béret rouge-orange," while 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. The final bid for the painting was $35 million. REUTERS/Bridget Bennett

Auctioneer Oliver Barker rests his hands a podium as he calls bids for 11 Picasso paintings and works that are being auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids for work of art "Tête d'homme barbu," displayed to his left, while 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

The final bid for painting "Femme au béret rouge-orange," is called while 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. The final bid for the painting was $35 million. REUTERS/Bridget Bennett

Sotheby's staff member prepares for the auction of 11 Picasso paintings and works at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works that are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker prepares to call the final bid for painting "Femme au béret rouge-orange," while 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. The final bid for the painting was $35 million. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Sotheby's staff members take bids by phone as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Auctioneer Oliver Barker calls bids as 11 Picasso paintings and works are auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Painting "Femme au béret rouge-orange" is displayed after 11 Picasso paintings and works were auctioned at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. The final bid for the painting was $35 million. REUTERS/Bridget Bennett

An attendee photographs a painting prior to the auction of 11 Picasso paintings and works at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

An attendee photographs a painting prior to the auction of 11 Picasso paintings and works at the Bellagio Hotel in Las Vegas, Nevada, U.S. October 23, 2021. REUTERS/Bridget Bennett

Visitors look at the skeleton of a gigantic Triceratops over 66 million years old, named "Big John", on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. Picture taken with a slow shutter speed. REUTERS/Sarah Meyssonnier

Visitors look at the skeleton of a gigantic Triceratops over 66 million years old, named "Big John", on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. REUTERS/Sarah Meyssonnier

Visitors take a picture of the skeleton of a gigantic Triceratops over 66 million years old, named "Big John", on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. REUTERS/Sarah Meyssonnier

The skeleton of a gigantic Triceratops over 66 million years old, named "Big John", is seen on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. REUTERS/Sarah Meyssonnier

Visitors look at the skeleton of a gigantic Triceratops over 66 million years old, named "Big John", on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. REUTERS/Sarah Meyssonnier

The skeleton of a gigantic Triceratops over 66 million years old, named "Big John", is seen on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. Picture taken with a slow shutter speed. REUTERS/Sarah Meyssonnier

The skeleton of a gigantic Triceratops over 66 million years old, named "Big John", is seen on display before its auction by Binoche et Giquello at Drouot auction house in Paris, France, October 20, 2021. REUTERS/Sarah Meyssonnier

The World's first postage stamp, a Penny Black, is seen on display ahead of auction at Sotheby's in London, Britain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Hannah McKay

The World's first postage stamp, a Penny Black, is seen on display ahead of auction at Sotheby's in London, Britain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Hannah McKay

The World's first postage stamp, a Penny Black, is seen on display ahead of auction at Sotheby's in London, Britain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Hannah McKay

The World's first postage stamp, a Penny Black, is seen on display ahead of auction at Sotheby's in London, Britain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Hannah McKay

The World's first postage stamp, a Penny Black, is seen on display ahead of auction at Sotheby's in London, Britain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Hannah McKay

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

James Hyslop, Head of Scientific Instruments, Globes and Natural History at Christie's, demonstrates the Darwin Family Microscope, owned and used by the English naturalist and founder of the concept of evolution, Charles Darwin, which will be offered at auction as part of Christie's Classic Week, London, Britain, October 14, 2021. Picture taken October 14. REUTERS/Toby Melville

Items formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity including a pair of glasses and a blanket are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Arlan Ettinger, President of Guernsay's auctions holds a pair of glasses formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Items formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity including a pair of glasses, a blanket and a copy of a hand written letter are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Shirts formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Shirts formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Shirts formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Shirts formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Arlan Ettinger, President of Guernsay's auctions talks as he points to shirts formerly belonging to Nelson Mandela that are going up for auction to raise funds for charity are pictured in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

Arlan Ettinger, President of Guernsey's auctions smooths out a blanket formerly belonging to Nelson Mandela that is going up for auction to raise funds for charity in the Manhattan borough of New York City, New York, U.S., October 13, 2021. REUTERS/Carlo Allegri

A radio owned by Amy Winehouse is pictured at a preview for an auction of her personal items on the tenth anniversary of her death in the Manhattan borough of New York City, New York, U.S., October 11, 2021. REUTERS/Carlo Allegri

A purse owned by Amy Winehouse is pictured at a preview for an auction of her personal items on the tenth anniversary of her death in the Manhattan borough of New York City, New York, U.S., October 11, 2021. REUTERS/Carlo Allegri

Dresses worn by Amy Winehouse are pictured at a preview for an auction of her personal items on the tenth anniversary of her death in the Manhattan borough of New York City, New York, U.S., October 11, 2021. REUTERS/Carlo Allegri

A pair of earrings worn by Amy Winehouse are pictured at a preview for an auction of her personal items on the tenth anniversary of her death in the Manhattan borough of New York City, New York, U.S., October 11, 2021. REUTERS/Carlo Allegri

A pair of glasses worn by Amy Winehouse are pictured at a preview for an auction of her personal items on the tenth anniversary of her death in the Manhattan borough of New York City, New York, U.S., October 11, 2021. REUTERS/Carlo Allegri

Demonstrators attend a protest against an auction of exploratory offshore oil blocks in the Campos, Santos, Pelotas and Potiguar basins, which draws interest from oil majors including Chevron, Shell, Total and Petrobras, in Rio de Janeiro, Brazil, October 7, 2021. REUTERS/Ricardo Moraes

Demonstrators attend a protest against an auction of exploratory offshore oil blocks in the Campos, Santos, Pelotas and Potiguar basins, which draws interest from oil majors including Chevron, Shell, Total and Petrobras, in Rio de Janeiro, Brazil, October 7, 2021. REUTERS/Ricardo Moraes

Demonstrators attend a protest against an auction of exploratory offshore oil blocks in the Campos, Santos, Pelotas and Potiguar basins, which draws interest from oil majors including Chevron, Shell, Total and Petrobras, in Rio de Janeiro, Brazil, October 7, 2021. REUTERS/Ricardo Moraes

Police officers stand guard as a demonstrator wearing a dinosaur costume protests against an auction of exploratory offshore oil blocks in the Campos, Santos, Pelotas and Potiguar basins, which draws interest from oil majors including Chevron, Shell, Total and Petrobras in Rio de Janeiro, Brazil, October 7, 2021. REUTERS/Ricardo Moraes

A demonstrator wearing a dinosaur costume protests against an auction of exploratory offshore oil blocks in the Campos, Santos, Pelotas and Potiguar basins, which draws interest from oil majors including Chevron, Shell, Total and Petrobras, in Rio de Janeiro, Brazil, October 7, 2021. REUTERS/Ricardo Moraes