The jewelry set from 'A Barbuda' that reached the 21st century

João, Francisco, and Joana, founders of Mater Fine Art, emphasize that auctions are accessible and diverse, featuring items from affordable chairs to valuable antiques. The auction house opens on November 17, showcasing a rare neoclassical jewelry set from the early 19th century. João Júlio Rumsey Teixeira's research on Portuguese royal jewelry reveals fascinating histories, including the lost diadem of D. Estefânia and connections to historical figures like D. Maria I. The article highlights the importance of making art and history accessible to the public.