Based on PCGS Photograde, I agree with a F12 (although I am far from an expert in these matters).
The S mint mark on your coin is far more distorted and worn than the Photograde samples. Since you are paying for the date/MM combo, I don't know if that factors into the price equation.
The S mint mark on your coin is far more distorted and worn than the Photograde samples. Since you are paying for the date/MM combo, I don't know if that factors into the price equation.





















