I posted a few days ago about this... I have a better camera now so I took some better pictures. So the anomaly on the Nickle is Magnetic. The other side of the nickle isn't. You can also see over the T in LIBERTY there is a bubble. here are some pictures, let me know what you all think.
Horseshoe damage. It's post mint. Probably a frat from college. We made some at our frat. Intended to keep them and all thatbut some buddies ended up spending them or losing them. Except we had our frat initials. Good times
Probabley used a punch of some sort. As for the magnatization properties, electricity was used more likely.
Doesn't it seem weird that a college frat would electrify a coin though? I don't get how it was made because it has extra metal on the circle error, and on the T of liberty. So I thought to weigh the coin, and it weighs 5.1 grams and another regular nickle weighs 4.9 ... if that means anything?
The stated weight of the nickel is 5.0 grams, with some % variance, so it is close. Nickels ( 75% copper, 25% nickel) would not become magnetized by electricity. Since you noted that only the anomaly was magnetic, I suspect that what ever made the depression was steel/iron, and some of it melted or adhered to the inside of the damage, and this is what is magnetic.
Nothing is weird when you mix college students+alcohol+science and engineering courses/physics/etc. LOL
