So, This Is A Weird One. Defective Planchet? (1963 Nickel)

Or, maybe the planchet was already a problem planchet and the metals weren't mixed properly to begin with? I have no idea. I'm just making things up in my head that sound plausible at this point.

@element47, I will take a stab at it for you. I am seeing PMD. Looking at the reverse you see deeper gouge marks staring closer to the center of the coin, moving outward and slightly to the right. Since the depth of the gouges are deeper towards the middle of the coin, and external forces are greater at initial impact, add the fact the missing portion has a cleaner and thinner break away towards the rim, that would be the direction of travel of the tool or object causing the damage. Also, the striations or gouges appear deeper on the right side vs the left, which is probably why you only see one small bounce impact towards the rim and favoring the right side. Had this been a planchet issue, you would still see the rotunda in full detail. IMHO, All that said, it is just a SWAG on my part.

Well thats unfortunate. Ive not seen a coin with a hit like that yet. Ill probably keep it just for reference though. Thanks for your answers!

Thats so true. I actually have a whole bunch of your overlays, and other images saved to my desktop that I use for reference. I typically use them to see what clashes might be found where. But for sure they can be used in other situations, such as this. I feel like Ive used them for other things a time or two, but I cant think of them now haha

A lamination does cause the opposite side of the coin to push out. The weight is probably normal as the metal is just moved, not removed from the coin.

Its about as deep recessed as the dome would be in relief. Its hard to show in pictures.The weight is 4.708 grams. So its definitely is missing a decent chunk of metal. Jeffersons bust isn't really pushed out. There is just some light toning or discoloration that kind of makes it appear that way in the photo.

So are we going with defective planchet?

I havent. I did buy some "Lab Quality 100%" acetone to kind of mess around with, and try to lightly clean some common pocket coins. Just to experiment. But I havent had a chance. I think I remember reading that it can damage the luster on coins. So I wanted to practice first.

This coin does have some very light toning on the obverse, but its not really too noticeable.