Silver is listed by material, such as coin, plate, or sterling; by some major manufacturers, such as Tiffany; by the type of item, such as candlesticks, jewelry, and napkin rings; or by country of origin. Countries throughout the world have their own unique silver styles, traditions, and marks. Silver from Canada is listed here. Henry Birks & Sons (marked as Birks or H. Birks) was a retailer that began manufacturing silver in 1897. Carl Poul Petersen was a silversmith active in the twentieth century. For more information, explore our identification guides for silver and nineteenth- and twentieth-century metal designers.