1 Is transparent, easily formed and most suitable for window glass (see flat glass). 2  It has a high thermal expansion and poor resistance to heat (500â600 Â°C). 3  It is used for windows, some low temperature incandescent light bulbs, and tableware.
Carson City Mint. The Carson City Mint was a branch of the United States Mint in Carson City, Nevada. It primarily minted low numbers of silver coins; however, gold was also minted in greater numbers. The mint was in operation for about 19 years.
With the exception of 2009 bicentennial cents minted specifically for collectors, United States cents minted after 1982 have been copper-plated zinc. In Fiscal Year 2013, the average one-cent piece minted cost the U.S. Mint 1.83 cents, down from 2.41 cents apiece in FY 2011.