"There's very little genuine information and data on pricing," he told CNBC via video call. CNBC contacted a dozen New York City art galleries and the same number in London to request price lists for their current exhibitions. "The degree of popularity, the level of scarcity and the degree of credentialization [or] … if something has organically captured the zeitgeist," are factors, he told CNBC by phone. "Despite more online information aiding discovery and valuation, there really isn't a highly liquid global marketplace, contributing to perceptions and realities of 'black box' pricing," Tjan told CNBC in a follow-up email. Making art affordableA visitor takes a photo at the Affordable Art Fair Hong Kong, on May 16, 2024.

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Persons: Harriman, they're, Paul Hewitt, Gosia Łapsa, London gallerist, Williams, Tony, Malawska, I've, I'm, Tony Tjan, Charlotte Black, Artclear, Shantell Martin, Bryan Bedder, Black, Tjan, Will Ramsay, Ben Marans Organizations: Getty, CNBC, Foundation Law, New, Society of London Art Dealers, Jeune, Ball, Art Locations: New York City, London, New York, London gallerist Lucca Hue, Hue, U.K, British, Hong Kong