2006 50 State Quarters Proof Set in original Government Packaging, 5 Coins Inside!. This set enters its eighth year of honoring the states in the order they were admitted into the Union. The set features designs including Nevada's "The Silver State," Nebraska's "Chimney Rock," Colorado's "Colorful Colorado," North Dakota's "Badlands with Bison," as well as South Dakota's "Mount Rushmore and Pheasant." This set is a shining embodiment of the United States Mint's commitment to quality and excellence.