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.
San Francisco, California Mint-coins with a S stamped on the reverse or obverse. Denver, Colorado Mint-coins with a D mint mark on the obverse or reverse. Dahlonega, Georgia Mint-this mint also used a D and is stamped on gold coins from 1838-1861 only.