The Sheldon Coin Grading Scale: Your Guide to Coin Grading
MS-60. AU-55. G-4. What’s next, 007? MI-9? Not quite! When you examine a certified gold or silver coin, you aren’t looking at a secret code or the calling card of a British spy. You’re looking at letters and numbers from the Sheldon Scale, the de facto standard for coin grading that communicates important information to…