Focus on one coin in your pics. The lustre and detail in your pic gives us' A better answer to your question.
Just picked this one up. The second lowest population of high grade Kennedy Silver proofs, as the Special Set had low mintage, and the 2013s has a mintage barely more than the 2012.
I tend to go for varieties so here are a few I have picked. 1964-D RPM-001 FS-501 by stoneman227, on Flickr 1964-D RPM-002 FS-502 by stoneman227, on Flickr 1964-D RPM-003 FS-503 by stoneman227, on Flickr
Isn't collecting Kennedy varieties fun! Here is a link to one of my sets: http://www.pcgs.com/setregistry/showcase.aspx?sc=1165 Still looking for nearly 80 that seem to elude us for now ....