Joia da Coroa, place of charm was once the former Allianca Goldsmith’s, considered the largest of the Iberian peninsula. The stories kept on the walls of the Joia da Coroa date back to the 19th century, where Rua, now Rua das Flores, was called Rua Santa Catarina das Flores, here was the heart of the commerce of the city of Porto, where it was marketed Gold and pieces.