https://www.nature.com/articles/d41586-025-01549-3

“… a man bought a lower jawbone from an antique shop in Tainan City in Taiwan. It had been dredged from the Penghu Channel, 20 kilometres offshore. The man donated it to a museum after researchers realized, on the basis of photographs, that it was a hominin bone. When they finally described it in 2015, the researchers noted that its second molar looked distinctly Denisovan”

Paywalled but the free part is still good.