The Sheldon scale is the primary system used for the determination of the level which rich one possible degree from poor 1 to Mint State-70 (usually expressed as MS-70) coin. ?. ? any number in between State of preservation is theoretically available to describe a coin's but only certain points of the scale are used (e.g. EF-45, but not EF-47.)Learn more about the Sheldon scale for sorting of coins ?.
