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1990 no S Lincollln Cent??/
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Re: 1990 no S Lincollln Cent??/
The Philadelphia mint didn't use a mintmark from it's start in 1793 until 2017 when a P was used for one year. Ater that it was back to no mintmark. The valuable no mintmark is a proof coin that was minted in San Francisco accidentally made without the S. Yours is a normal Philadelphia business strike coin. The no S proof…
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