Personally, I give zero consideration to Mint-caused damage because it is impossible to prove that the damage occurred inside or outside of a mint building in almost all cases. The only exception I have ever seen is quite obvious- crimp marks on a sealed Mint Set coin caused by the mylar thermal sealer.
It would be ideal to replace PMD with PSD. PMD has been around for a long time and is far reaching. The best we can do is set the example. There are influential people here; maybe one website or book at a time.
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