1964 D Nickel RPM?

Been looking for this on a 1964 for quite some time. I usually have to strain my eyes to have a chance of finding a RPM. What do you guys think?

 

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Can't match yours to these
http://varietyvista.com/05 JN RPMs/RPMs 1964D.htm
could be a damaged punch, I don't know.
Could also be my eyes, lol

 

Doesn't match any listed on variety vista....looks like machine doubling.
And the 64 P&D were the highest mintages ever...that said it would need be a perfect specimen to have any value.

 

Thanks! Couldnt find much on it either. Maybe a die chip before md. Its just as thick as the D. No shelf like doubling. Its also raised. Hmm. Maybe the D got split PMD. Thanks for the input.