Coin silver was once a common alloy in the United States. It is now relatively rare and the name causes some confusion. The technical “coin silver” alloy is .900 kumush, yoki 90% kumush va 10% mis. It was not used to make coins, but at one point in time it was made from refined scrap coins. Mamlakatimizda pul tangalari, va boshqalar, no longer contain silver and are made from more inexpensive and durable base metals. Hali ham bozorda mavjud bo'lgan tanga kumush zargarlik buyumlari sifatli muhrga ega bo'ladi .900, and they are rare antiques.