That's a very nice ball. Congrats.
As someone who has A LOT of multisigned items, what I have come to realize is that, with rare exceptions, they only bring a fraction of what it cost to put together. For whatever reason, when it comes to things like HOF, 500HR, PG, wins, etc, people seem to prefer single signed items, or at least they sell for more money than a combined item with all the same players on it. There are rare exceptions that occur, but unless you put the item together back before prices skyrocketed, it is very difficult to sell for what you paid.
I have a whole run of HOF Yearbooks that have multiple signatures, like the ones below. I would love to add more, but haven't added anyone since the 1980s. I just can't justify the prices due to the limited increase in value even if I add more people to it. If I was rich and it didn't matter I would add more as I enjoy the collecting of it.
My advice is collect what makes you happy regardless of prices. I just wanted to pass on what I have learned about multi-signed items.
Best,
Mark
