[JimStinson]

Pafko signing it would absolutely hurt the value of the photo as his autograph brings a few bucks at best so that would NOT be a good idea. The Jackie signature is a beauty and the photo is comical as heck as it is so why mess with perfection. I'm certain that Jackie walked away after signing that photo, with tears in his eyes from laughter.
Also I thought there was an outside chance that the person in the photo was pitcher Ray Moore but I did an online search for Ray Moore and this is the photo I found so am fairly certain its not Ray Moore. Its Pafko