The set includes a beautiful US Mint box and COA OGP, making it a valuable addition to your collection. The coins are struck in 0.9 fineness silver and have a denomination of 25C. The set contains uncirculated coins that are perfect for anyone looking to start their collection or for those who want to add to their existing collection. The coins are ungraded, making them an affordable option for collectors. The set is a great way to commemorate the state quarters and is a perfect gift for anyone who loves collecting coins.