1990 No S Penny?

I’ve looked through other threads on here and I believe I have the 1990 no s penny. I have no experience with coins and I found it a long time ago not in a proof set. Could anyone give their opinion if this is the coin or not?

 

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The 1990 no S cent is a proof coin.

Your coin is not a proof, it is just a regular 1990 cent minted at the Philadelphia mint.

 

Its a Philadelphia mint bussiness strike.
No S only on Proof coin San Francisco mint.

 

Welcome to Cointalk
This is the one your looking for you should be able tell the difference between the to yours is a business strike and this is a proof.
Dave

 

You have one of the 6.8 billion cents struck in Philadelphia that year.