2006 Colorado Quarter Errors - This rare flaw highlights the intricacies of the minting process. 2006 colorado state quarter errors and varieties are collectible coins. Cud errors can be very valuable, especially on a mint state grade collectible coin. Such errors can be valued between $50 and $100, depending on prominence and condition. I'm going through quarters and ran into a 2006 p colorado quarter. I did find a cud on the front but have a question about the reverse. The banner that says 'colorful colorado' is. This rare flaw highlights the intricacies of the minting process.
This rare flaw highlights the intricacies of the minting process.