The Professional Coin Grading Service (PCGS) is a leading organization that evaluates and grades coins based on their condition and authenticity. Founded in 1986, PCGS provides a standardized grading system that helps collectors and investors understand the value of their coins. Each coin is examined by experts and assigned a grade, which is then encapsulated in a tamper-proof holder for protection. PCGS also offers a variety of services, including coin authentication, grading, and population reports. By using PCGS, collectors can ensure that their coins are accurately assessed, which can enhance their marketability and investment potential. The service is widely recognized in the numismatic community for its reliability and expertise.