MG62 refers to a specific grade in the coin grading system used for silver dollars, where "MG" stands for "Mint Grade" and the number "62" indicates a numerical grade on the Sheldon Scale. The Sheldon Scale ranges from 1 to 70, with 70 being perfect. A grade of MG62 suggests that the coin is in very fine condition, showing some wear but still retaining a significant amount of its original luster and detail. This grading helps collectors determine the coin's value and condition.