The autograph is on a curved piece of wood cut to resemble a bat. That's a nice idea.
The picture on the card is a more recent picture of Billy as a coach. It looks to be from his days as the Cubs dugout coach in the late 90s and early 2000s. My guess is its from 2000. There is a nearly identical picture in the 2000 media guide. I suppose the good news is that we don't have a recycled picture from his playing days.
A quick search of my files shows that I've now got 16 different autographs of my favorite player....and a few more on en route. For now, here are the 16