The State Quarter is the most popular collectible in US history. The US Mint estimates that more than 140 million Americans have collected the 50 State Quarters and that's officially a WOW! All of the Denver (D) and Philadelphia (P) minted State Quarters we offer are Brilliant Uncirculated (BU) coins only, while the San Francisco (S) minted Proofs come to you directly from fresh US Mint Proof Sets. We maintain a large inventory, so we can ensure that you will receive the highest quality coins. And if you're looking for even more ways to collect, click on the QUARTERS link at the top of any page for access to individual coins, 5 packs, 10 packs and 40-coin rolls. Enjoy your journey as you join the ranks of millions of satisfied and successful collectors.