USA: Silver proof set (2006 S) of 10 coins. Five different Quarters honoring Nevada, Nebraska, Colorado, North Dakota and South Dakota in silver (0,900). The rest five coins are the 2006-dated Sacagawea Dollar, Kennedy Half Dollar, Roosevelt Dime, Jefferson 5 Cents, and Lincoln Cent. The five silver State Quarters are in one plastic lens, with the rest in another. Along their CoA. (KM 382a+383a+384a+385a+386a+310+ A202c+195b+381+201b). Proof.