The 2006 Denver quarter is part of the United States Mint's State Quarters program, which ran from 1999 to 2008. This particular program features a quarter for each of the 50 states, with five designs released annually. The 2006 quarters include the designs for North Dakota, South Dakota, Montana, and Washington. Coins minted in Denver are marked with a "D" mint mark, indicating their place of production. Collectors often seek out these coins for their unique historical and regional significance, as well as their potential for numismatic value.

Item Denomination Series Year Mint
2006-D (Denver) State & Territorial Quarters 25¢ (Twenty Five Cents, Quarter) State & Territorial Quarters 2006 Denver
United States of America 2006 Denver State & Territorial Quarters 25¢ 25¢ (Twenty Five Cents, Quarter) State & Territorial Quarters 2006 Denver