The 2007 Platinum Mint Edition State Quarter Collection with COA is a highly sought-after set of uncirculated State Quarters minted in Philadelphia. This partial/incomplete set includes coins of 25 cents denomination struck in a business setting. Each coin is accompanied by a Certificate of Authenticity, adding to the overall value and collectability of this unique set. With its limited availability and premium quality, this collection is a must-have for any serious coin enthusiast or collector.