Shop our selection of Coins, Money & Stamps from the world's premier auctions and galleries. Research past prices of Coins, Money & Stamps to buy or bid confidently today! We use cookies to understand how you use our site and to improve your experience. sjlwfamily@gmail.com. Low $6.95 shipping on U.S. orders — ORDERS OVER $499 SHIP FOR FREE! Professional Coin Grading Service (PCGS) is a coin grading, authentication, attribution, and encapsulation service founded in 1985. The intent of its seven founding dealers, including the firm's president David Hall, was to standardize grading.