Collectible coins, specifically within the context of the United States, encompass a variety of types, including circulating coins, commemorative coins, and bullion coins. The 25-cent quarter is a popular denomination, with the State and Territorial Quarters series, issued from 1999 to 2009, celebrating each U.S. state and territory. The 2007 quarters feature designs representing various states and include coins produced at the Philadelphia Mint. Collectors often seek these coins for their historical significance, diverse designs, and the potential for increased value over time.

Item Denomination Series Year Mint
2007-P (Philadelphia) State & Territorial Quarters 25¢ (Twenty Five Cents, Quarter) State & Territorial Quarters 2007 Philadelphia
United States of America 2007 Philadelphia State & Territorial Quarters 25¢ 25¢ (Twenty Five Cents, Quarter) State & Territorial Quarters 2007 Philadelphia