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Learn what PMD (Post Mint Damage) means in coins, how to spot it, and how to tell it from real mint errors. Clear examples, simple explanations, collector-friendly guide.
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Not an Error, Still Worth Keeping: The Cool Side of Post-Mint Damage

PMD stands for Post Mint Damage, the catch-all category for everything that happens to a coin after it leaves the mint. These coins aren’t errors and they aren’t valuable, but they can still be some of the most interesting pieces you’ll find in your change. This guide walks you through the most common forms of PMD, how to tell them from real mint errors, and why they’re still worth a second look.