The nicer proofs are getting super expensive & completely hazed with flow marks all the good ones are in collections! This PR 64 was one of the nicest i found for a decent price.
It was the only year that I've see catalog listings for. But I was not interested in other years so I may not have seen others.
If you dip it, will all that AT toning rinse away? Or at least enough of it so you like what remains? (Seriously, I don’t know much about removing toning…)