Everyone Thinks Cleaning Coins Destroys Half Their Value. What the 1-70 Grading Scale with 60+ Mint State Really Reveals

https://sierra-wiki.win/index.php/What_I_Wish_I_Knew_About_Grade_65_vs_67_and_Investing_in_Graded_Coins

What key questions about coin cleaning and grading will I answer—and why they matter? Collectors, new finders, and estate sellers all ask the same nervous questions: does cleaning a coin automatically cut its value in half, can a coin be