The 1999–2008 Complete American Statehood Quarter Collection of 50 Colorized Coins is a aftermarket numismatic product featuring the U.S. Mint's 50 State Quarters Program enhanced with full-color graphics applied by private companies like Littleton Coin Company. Because the colorization is done after the coins leave the mint, traditional coin grading services usually consider them "altered," meaning they mostly appeal as conversational novelties rather than investment-grade bullion. Complete sets housed in their original custom display albums generally trade in the secondary market between $45 and $100 depending on the specific third-party issuer and the condition of the display