What does MS67 when dealing with a coin mean?

MS67 refers to a specific grade in the Sheldon scale used to assess the condition of coins, where "MS" stands for "Mint State," indicating that the coin has not been circulated and retains its original mint luster. The number 67 signifies a high level of quality, suggesting that the coin has only minor imperfections, if any, visible under magnification. Coins graded MS67 are considered to be of exceptional quality and are highly sought after by collectors.