Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

A fisherman takes a picture of Britain's Prince Charles as he officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles officially opens the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Britain's Prince Charles has a dram of whisky before officially opening the Lerwick Harbour and Scalloway Fish Markets at Shetland Seafood Auctions Ltd at Lerwick Fishmarket, Lerwick, Shetland, on the second day of a two-day visit to Scotland, Britain July 30, 2021. Jane Barlow/Pool via REUTERS

Arlan Ettinger, president and founder of Guernsey's auction house, displays a Live Aid guitar signed by Bob Geldof, Tom Petty, Bob Dylan, Bono and Sting among others ahead of their "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

Arlan Ettinger, president and founder of Guernsey's auction house, displays a saxophone played by Bill Clinton at his 1993 inaugural ball and signed by Mr. Clinton as well as Michael Jackson, Stevie Nicks and Jack Nicholson among others ahead of the "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

Arlan Ettinger, president and founder of Guernsey's auction house, holds a clarinet owned by Benny Goodman ahead of their "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

(L-R) A Gibson Firebird guitar that belonged to Allen Collins of Lynyrd Skynyrd, a single owner 1952 Gibson Les Paul gold top, Jason Becker's "Numbers" guitar and Eddie Van Halen's Kramer Stryper guitar are seen on stands ahead of the "Century of Music" auction held at Guernsey's auction house in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

The thumb print of guitar player Jason Becker is seen on his "Numbers" guitar at Guernsey's auction house ahead of their "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

Arlan Ettinger, president and founder of Guernsey's auction house, places Jason Becker's "numbers" guitar onto a stand next to (L-R) a single owner 1952 Gibson Les Paul gold top, a Gibson Firebird guitar that belonged to Allen Collins of Lynyrd Skynyrd and Eddie Van Halen's Kramer Stryper guitar ahead of the "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

Arlan Ettinger, president and founder of Guernsey's auction house, holds Jason Becker's "Numbers" guitar ahead of their "Century of Music" auction in New York City, New York, U.S., July 6, 2021. REUTERS/Andrew Kelly

Executive Director Martin Nolan poses with items soon up for auction from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with the '1989 Super Ballon d'Or' from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

A 1959 Ballon d'Or won by footballer Alfredo DiStefano from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with items soon up for auction from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with the '1989 Super Ballon d'Or' from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with items soon up for auction from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with the 'UEFA European Champions Cup Winners Medals from 1956-1960' from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with items soon up for auction from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, June 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

Executive Director Martin Nolan poses with items soon up for auction from the 'Property from the estate of Alfredo Di Stefano' collection, at Julien's Auctions in London, Britain, 25, 2021. Picture taken June 25, 2021. REUTERS/Henry Nicholls

A gallery assistant poses with 'Untitled, 1944' by Alexander Calder, due to be sold at the 20th/21st Century auction series, at Christie's auction house in London, Britain, June 24, 2021. REUTERS/Henry Nicholls

A rare 100+ carat diamond is seen at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

A rare pear-Shaped D Colour Flawless 100+ carat diamond is seen at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

An employee of Sotheby's poses with a rare pear-Shaped D Colour Flawless 100+ carat diamond at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz TPX IMAGES OF THE DAY

An employee of Sotheby's poses with a rare pear-Shaped D Colour Flawless 100+ carat diamond at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

A rare pear-shaped D colour flawless 100+ carat diamond is seen at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

An employee of Sotheby's displays a rare pear-shaped D Colour Flawless 100+ carat diamond at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

An employee of Sotheby's poses with a rare pear-Shaped D Colour Flawless 100+ carat diamond at Sotheby's in New York City, New York, U.S., June 21, 2021. REUTERS/Eduardo Munoz

A woman looks at the Hekking "Mona Lisa", a reproduction of Leonardo Da Vinci's Mona Lisa, painted on canvas by an unknown artist from the 17th century and up for an online sale at Christie’s auction house in Paris, France, June 11, 2021. REUTERS/Lucien Libert

A woman looks at the Hekking "Mona Lisa", a reproduction of Leonardo Da Vinci's Mona Lisa, painted on canvas by an unknown artist from the 17th century and up for an online sale at Christie’s auction house in Paris, France, June 11, 2021. REUTERS/Lucien Libert

Gallery assistants pose for a photograph next to the Oak Leaf ‘Glamouflage’ jacket designed for Mick Jagger by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

A gallery assistant poses for a photograph next to a couture embroidered kimono tailcoat ensemble by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

Gallery assistants pose for a photograph next to a black and gold ‘Oscar’ dress worn by Nicole Kidman by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

A gallery assistant poses for a photograph next to a couture embroidered kimono tailcoat ensemble by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

A gallery assistant poses for a photograph next to a detail on the Butterfly jacket designed for Mick Jagger by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

Gallery assistants pose for a photograph next to a black and gold ‘Oscar’ dress worn by Nicole Kidman by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

Gallery assistants pose for a photograph with the Butterfly jacket designed for Mick Jagger by designer L’Wren Scott at Christie’s in London, Britain, June 10, 2021. REUTERS/John Sibley

A gallery assistant poses for a photograph next to the Oak Leaf 'Glamouflage' jacket designed for Mick Jagger by designer L'Wren Scott at Christie's in London, Britain, June 10, 2021. REUTERS/John Sibley

Amish and other locals attend a fundraising auction in Holmes County, Ohio, U.S., June 4, 2021. REUTERS/Gaelen Morse

Non-fungible tokens (NFT) art pieces are seen during a media preview for the "Natively Digital: A Curated NFT Sale" auction at Sotheby's in New York City, U.S., June 4, 2021. REUTERS/Shannon Stapleton

A television camera is seen in silhouette standing in front of "Autoglyph #177", a non-fungible token (NFT), and "CryptoPunk #7523", a series of 10,000 unique pixel-art characters made by Larva Labs in 2017, during a media preview for the "Natively Digital: A Curated NFT Sale" auction at Sotheby's in New York City, U.S., June 4, 2021. REUTERS/Shannon Stapleton

A photographer is seen in silhouette by non-fungible tokens (NFT) art pieces during a media preview for the "Natively Digital: A Curated NFT Sale" auction at Sotheby's in New York City, U.S., June 4, 2021. REUTERS/Shannon Stapleton

A man is seen in silhouette standing in front of "Quantum" by Kevin McCoy, a non-fungible token (NFT) which Sotheby's auction house says is the first known digital art collectible created in 2014, during a media preview for the "Natively Digital: A Curated NFT Sale" auction at Sotheby's in New York City, U.S., June 4, 2021. REUTERS/Shannon Stapleton