Are there benchmark submission grades for CAM/DCAM 40% JFK Proofs?

Just landed a fistful of '69 Proof sets with deep cameo JFK's. What is a practical approach for submission?
"Everything is on its way to somewhere. Everything." - George Malley, Phenomenon
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Comments
You have to really go over these for the hairlines - those really hold PCGS back from giving 69DCAM. And there needs to be heavy frost on all raised surfaces.
As a buyer, I kind of like the 69CAMs...they are oftne just a hair's width away from 69DCAM, but come at a steep discount.
"Everything is on its way to somewhere. Everything." - George Malley, Phenomenon
http://www.american-legacy-coins.com