1952 SUPERBIRD 25c and 1964 AH 50c and 1961 PR 50c FS-801 etc..

As I am working on the 1950-1964 Toned Proof Set, I start to wonder about different things while I search and since I have spent a good amount of time playing with varieties....this came across my noggin today.
Any other good toner Proof Varieties out there. Heck, post whatever...I'm bored and my team is losing on national television right now.
A 1961 PR 50c FS-801 would be one serious coin in high grade as a monster toner!
I'd like to see more for Proofs and the more significant varieties but whatever. I know there is MS61(something like that) pretty toned 1955 DDO that has been bouncing around eBay forever but that isn't a proof...but it is a major variety.
Any other good toner Proof Varieties out there. Heck, post whatever...I'm bored and my team is losing on national television right now.

A 1961 PR 50c FS-801 would be one serious coin in high grade as a monster toner!
I'd like to see more for Proofs and the more significant varieties but whatever. I know there is MS61(something like that) pretty toned 1955 DDO that has been bouncing around eBay forever but that isn't a proof...but it is a major variety.
"If it's not fun, it's not worth it." - KeyMan64
Looking for Top Pop Mercury Dime Varieties & High Grade Mercury Dime Toners.
Looking for Top Pop Mercury Dime Varieties & High Grade Mercury Dime Toners.

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Looking for Top Pop Mercury Dime Varieties & High Grade Mercury Dime Toners.
It further stated that this die was a class III doubled die type B/type A. I wish I had printed it out, but it is too late now. Can anybody fill in the details?
I don't see much sign of doubling in this picture, but I know the mint could be quite efficient at buffing those out as witness other 1952 proof quarter class III doubling.
Th ES gap in STATES looks narrow to me in this picture and perhaps the left leg of N in IN is thicker than normal.