Have you looked at the RPM's for this coin?
See the 1953 with a crack just like yours http://cuds-on-coins.com/wp-content/uploads/2016/03/97-097w.jpg
Here is my 1986 S Mirror: [ATTACH] [ATTACH]
Like @Kentucky said, the 1943 was popular to mess with. The missing 4 is due to grease in the die. I have seen many of those in the 1943.
Wow @Kentucky I wish her the best. I'm getting old, my first great grandson is graduating HS this year.
The only coins I consider as "problem" are those that I don't have. Every coin that has been out there working still has something to offer us....
Nice idea. Be sure to show us the finished product.
Nice and lucky. Not long ago I found a 2011 Proof Dime in a coin roll. It was in perfect condition. There is a lot of good stuff out there.
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