[Exhibitman]

Returning to the OP from the TPA bash session, it really depends on the item and how you want to use/display it. From a market perspective, it appears that PSA, JSA and SGC are all treated about the same. For a signed ball, assuming a display is planned, I think a PSA encapsulated example in a cube holder just looks nicer and neater to me. That said, if you are looking for a common signature, like the two you mentioned, there is really no need for a TPA cert at all. There are many, many examples and their signatures are well known and readily identified. You might try Jim Stinson. He's a member here and always has a lot of good stuff.