Found this on my project table... 1897-S MorganMorgan

... with a strange reverse bubble near the arrowheads. There also seems to be a small strike through on the obverse.

Its too bad someone cleaned it at some point.

What are your thoughts on the cause of the bubble???

 

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More pics

 

HELP!!!!!!

 

The bubble is slightly raised like parking lot speed bump.

 

It's funny you post this ....as I just posted a 1943 P Jefferson nickel with the same issue.
Since no one had any ideas as to what caused this on my coin,and one just wanted an answer without thinking it out or researching the answer.
It's a platchet flaw, caused by a gas bubble , an alloy issue on how they were mixed. Or possibly something foreign in the mix.
Notice how the top is sort of split like a dinner roll. Once opened it's a lamination error . Cool find.

 

Thanks. I asked Cascade and he thought maybe a die dent. The gas makes sense too.

 

I'd check it with the vam guys. If it's from the die, they would know about it.

 

Lord have you checked out my images on the 43P? @lordmarcovan

 

Yes agreed however I do have a few silver dollars that have lamination issues one in particular an 1934 S....what also strike me strange is woodie coins cents and nickels.
Now granted I've have seen them all dates.
However what I've noticed is the peak seems to be early 1900's - through - the 1930's! And what I've been studying is not only U.S. Coins but world coins also during the same time frame.
It be a cool study on metals used during that time frame.
Compared to before and after that period .

 

I have found quite a few more modern "Woodie" cents but for some reason they are relegated to only one side of the coin, ob. or rev. But not past 1981 so far.

 

Did you try popping it with a stick yet?

 

"The 43 P Jefferson nickel" sorry on the pad it doesn't cut and paste very well. Search it's title