Here is a link to a recent PCGS article we wrote, which discusses PMD (post mint damage) versus mint made damage. It is important to understand the difference between the two types. https://www.pcgs.com/news/deciphering-mint-errors-versus-post-mint-damage?fbclid=IwAR3-f2pAlbmm_ix1_PdhmRwWQj9wT1PuwoEy6ZTUa0XkH_YOLJVbMvzcH2s
