Discussion in 'Error Coins' started by Duke, Aug 25, 2019.
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http://www.error-ref.com/?s=die+deterioration+doubling++ If you want to look for errors I suggest using that site.
Also, if you don't have one, buy a copy of the Red Book. Official title is "A Guide Book United States Coins" by R.S. Yeoman, published by Whitman. It's the book every collector should have. Loaded with so much useful information.
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