This Is A 1983 Lincoln P.

I'm not seeing any doubling of any kind. Looks normal for zinc core cents. The forehead could have a struck through error though.

I see some MD. The forehead I can't quite tell if it is a Struck Through or damage.

Remember 99% of incuse marks on the coins are from circulation damage. Above the 'T' second 'T' on TRUST is a split plating issue. Basically a spender. (The incuse mark on the head looks like a glancing blow to that area. If it were a struck through, then we would be a beginning and end on that area. It is is likely just damage on that area of the coin. Here is what I call a beginning and edge on an incuse mark:

Note on the same image, there is a bag mark on the coin from another coin hitting the coin. (Part of the 99% damage issue on coins) But again note the beginning and ending on the wire issue. That is what you should see on a struck through error.

CoopHome: [b]What is the difference between a Struck through error and coin damage? beginning and ending of the affected area seen incuse on the coins surface