Grape Collects helped broker this one for me (thanks!). Hoping it'll go PF-67 CAM
but hard to tell with a proof. All the cruddy stuff in the photos is on the well-scratched proof set plastic holder which also made getting things in focus problematic.
At some point this fall I'll crack it out and send it in.
1970 S Proof Lincoln Memorial cent
Doubled Die - DDO-013, FS-103