Know your PMD—quiz one
Members dazzle me with their acute skills of how a coin received damage—I found it CRHing.
I have an opinion of how this Ft. Moultrie quarter received the row of gouges on the obverse. (Nothing on the reverse.)
My idea is logical, but I can’t reconcile it. I’ll post it near the end.
Does anyone want to hypothesize?

Comments
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Never seen one that long but it looks like a reeded edge rolled against it, that is typical on reeded edge coins like Morgans for example, but usually only a few to 5 or 6 indents long and often curved a bit. It all depends on the angle that the other coin(s) impacted.
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One type of engraving tool has a hard pointed plunger that moves up and down very quickly to leave a series of marks as shown here.
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@jonathanb said:
One type of engraving tool has a hard pointed plunger that moves up and down very quickly to leave a series of marks as shown here.That was my vote. Electric engraver.
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Hadn’t considered that.
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Someone swallowed it and another coin, and they hit together while in the person’s stomach.

God bless all who believe in him. Do unto others what you expect to be done to you. Dubbed a "Committee Secret Agent" by @mr1931S on 7/23/24. Founding member of CU Anti-Troll League since 9/24/24.
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@Slade01 said:
Never seen one that long but it looks like a reeded edge rolled against it, that is typical on reeded edge coins like Morgans for example, but usually only a few to 5 or 6 indents long and often curved a bit. It all depends on the angle that the other coin(s) impacted.Those dents are round. I don't recall that reeded edge marks are near perfect dimples.
theknowitalltroll;0 -
I think that a sewing machine needle may be the actor.
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Singer.
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Whatever did it, get that listed on EBay today, start at $5000.00 but accept offers.
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No, not even a Singer. No one who sews on a machine would agree with me. They all said that the needle would break on first contact.
I’m down with peckerwood, if it is not an engraving pen.
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