I picked this one up at a show, since it fits into one of my collections, and it is a bit of an oddball. On the face, it sure looks like a 1986 Diamond Kings card of Kirk Gibson. But there's two things that puzzle me on it. Firstly, it is a mini. It is shorter and wider than a mini you'd find in an A&G release today. Here's the two side by side:
Plus, I can't turn the Gibson over to find out anything else about it, because:
Googling stuff that might help like "diamond kings", 1986, "blank back" brings me no closer to a solution. I was thinking this was some sort of "it came with the bag of potato chips" issue, but I figured I'd throw this one out there to the blogging populace to see what comes up.