Articles of jewelry made in Scotland, mainly brooches made in various shapes and styles for over 2000 years, and the 19th-century articles, made in response to the romantic interest in Scotlandstimulated by the writings of Sir Walter Scott and the visit of George IV, such as pebble jewelry, articles made of Cairngorm, grouse feet mounted in silver, the skean dhu (a type of dirk),and accessories for full Highland dress. Much Scottish jewelry is decorated with fresh-water pearls from the Tay and Spey Rivers, especially that made in the Victorian era.