Does the 35 year anniversary label work with regrades/grading.

CalifornianKing

I really want to use the special, but I got a few coins that I think may upgrade so I was thinking of sending it in, will there be a special with regrading/cross over for the 35th anniversary old holder/labels?

MetroD

"I really want to use the special, but I got a few coins that I think may upgrade so I was thinking of sending it in [...]"
The current special is for reholder submissions only.
Link: https://www.pcgs.com/ccspecial

"Does the 35 year anniversary label work with regrades/grading?"
If you want the '35th Ann.' label, you can get it (and pay $7.00 for it) through the "special label" program.
Link: https://www.pcgs.com/labels

"Will there be a special with regrading/cross over for the 35th anniversary old holder/labels?"
I have no insight regarding upcoming specials. Perhaps someone else will post a reply.

Edited to Add:
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Source: https://forums.collectors.com/discussion/1012434/upcoming-events-and-specials-updated-1-4-2021