Yes to having it graded/certified. Check CGC as they run specials like ANACS and do not require a membership fee like the top two TPG's do....
Steven Musil, who advertises in Numismatic News is a good confirmation of this. Nearly 90% of what he offers are problem coins such as mentioned...
You are interchanging two completely different things here. Doubling and a cud are two different critters. Cuds form at the rim of a coin...
In addition to the link Ed posted there is a wealth of info at www.doubleddie.com. John Wexler's site has all sorts of info on all sorts of errors...
It is an acid that will etch the coin to a point where you may be able to see a date. It is used mostly on Buffalo Nickels but should only be used...
Also try jiggling them up and down with your fingers on the holes, not just outward. Most times they are stuck under a bit of cardboard they were...
You have too much nice stuff. We are going to give you the Bhut-an put you on a time out. ;)
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What Frank just said.
Possibly some form of corrosion that has bubbled up.
Judging from the die deterioration, possibly an over done die gouge? Some kind of tooling done to save the die?
(IDB) Internal Die Break?
Denver often makes better looking coins overall. You may have gotten lucky to have gotten some early strikes when the dies were fresh. If you...
Happy Birthday ex-door neighbor! @Mainebill
I agree with the above answer. I see nothing wrong that suggests this is a fake, but I'm not an expert on these. I believe @Jack D. Young has some...
I remember getting a few "wedgy's" but never a swirly.
You need to social distance yourself from that coin. ;)
I purchased a 20 pound lot of tokens a couple years ago and found quite a few of these.
They can still be used as hole fillers in an album.
Very nice and very real, unlike so many others.
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