Suppose I wanted Tormod's Blastoise, but LST's model.
http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27464 (http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27464)
http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27499 (http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27499)
Would they work together?
What about Boygos' Wartortle?
http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27569 (http://forums.kc-mm.com/Gallery/BrawlView.php?Number=27569)
Assuming they have the same exact boneset, yes.
You could always, y'know, try it and see what happens.
Yes, they work with the PSA. But you need to resize them, because I don't think you would like a blastoise-sized Wartortle...