They worked as carpenters, tailors, blacksmiths, swordsmiths and silversmiths. In Boston, goldsmiths and silversmiths were stratified. The city's goldsmiths, silversmiths, and leather tanners began to export their Hyderabadi wares abroad. Bread-makers, silversmiths and goldsmiths all marked their wares during this period. They are skilled blacksmiths, silversmiths, and embroiders. Many also engage in traditional jobs as blacksmiths, gold and silversmiths, carpenters and stonemasons. Money-changers were also the silversmiths and/or goldsmiths of more recent ancient times. The Tiffin Glass division of Interpace was sold to Towle Silversmiths. They are also excellent silversmiths crafting breastplates, jewellery, daggers and knives. British silversmiths introduced hallmarks for silver in 1300. German silver is more popular among Great Lakes silversmiths. The insignias were realized by Armenian silversmiths of the markets of Damascus. At least 19 silversmiths worked in Williamsburg between 1699 and 1775. Colonial silversmiths used many of the techniques developed by those in Europe. The silversmiths from Derge are known for their exquisite tea sets.