PMD stands for Post Mint Damage, and refers to any damage a coin has suffered after leaving the mint . Post Mint Damaged Coins. Fingerprint. Touching a coins surface with your bare fingers can leave oils that will show on the coin as time passes.
PMD stands for Post Mint Damage, and refers to any damage a coin has suffered after leaving the mint . Post Mint Damaged Coins. Fingerprint. Touching a coins surface with your bare fingers can leave oils that will show on the coin as time passes.