Nielli (objects decorated with niello) were produced in ancient Rome and 9th-century England. In Russia niello work is known as Tula work.

• 黑金制品(带黑金镶嵌装饰的物品)由古罗马人和9世纪的英国人制造。在俄国黑金镶嵌制品称为图拉工艺品。