Originally Posted by kufram
Thank you for your cynicism. Really useful.
Unfortunately, it likely is the truth unless you find a trusting personal collector as the ball probably wouldn't even be allowed on eBay since they require authentication for most signed memorabilia.
To obtain any monetary value, you'd probably have to have it authenticated by one of the big authentication houses at a minimum of $150 given all those signatures and there's a chance that it wouldn't even be worth that.