Looks like it matches the 13.3 holder type in the link I posted. My guess is that there aren’t enough out there with the coin types you are looking for to see them. I would imagine the bulk of grading is modern bullion coins. So if you’re searching for that you may find them.
Comments
https://forums.collectors.com/discussion/918775/pcgs-generations-updated-6-4-21/p1
Lance.