How To Tell Between A Strike Through Or PMD?

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Author	Replies: 4 / Views: 1,299
Altaira Pillar of the Community Canada 2519 Posts	Posted 04/11/2014 4:26 pm Both strike through foreign object and PMD make marks that go inside the coin. So how can you tell? Thanks. Report this Post to the Staff

Sap Moderator Australia 16826 Posts	Posted 04/11/2014 6:51 pm An easy way to discount many PMD pseudo-errors like this is to look for damage on the other side. Something powerful enough to smash a hole into one side of a coin is likely to leave an impact mark on the other side, where the coin subsequently smashed into whatever the coin happened to be sitting on at the time. If the damage was caused by a foreign object falling in between the planchet and die while the coin was being struck, no such other-side damage should be visible. Not that absence of other-side damage is not proof that it is genuine, only evidence that it might be genuine. A determined error-faker could probably find a way to PMD a coin and leave no trace of damage on the other side. Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis Report this Post to the Staff
Altaira Pillar of the Community Canada 2519 Posts	Posted 04/11/2014 9:54 pm That would work for bigger objects, but how about for smaller objects like string or wire? Report this Post to the Staff
jack jeckel Pillar of the Community United States 5207 Posts	Posted 04/12/2014 4:48 pm Does the wire or string go under any of the devices or wording? Report this Post to the Staff
Altaira Pillar of the Community Canada 2519 Posts	Posted 04/12/2014 11:52 pm Go under devices? So raised bits aren't affected while the background is? Report this Post to the Staff
	Replies: 4 / Views: 1,299

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