In 2023, a Los Angeles man paid $50 for an old leather chair on Facebook Marketplace; months later, experts identified the rare 1930s design, and it sold for $107,950

• Pic credit: Sotheby's, InstagramJustin Miller, a home design content creator from Los Angeles, spent half an hour scrolling through Facebook Marketplace.
• Most days, the search turned up nothing worth a second look.
• But in February 2023, he stumbled upon something unique: a chair.