I bought more minor league card sets on ebay. I couldn't resist 25 of the 26 AAA teams in 1989 ProCards for just over a dollar a set shipped. (Only the Padres team in Las Vegas was not in the lot.) I think I'd better stop with ebay before I get carried away.
These cards have an interesting variation that I would be curious if any of you readers know about - I couldn't find anything about it online. I realized it because I had one of the sets, the Iowa Cubs, from my previous minor league set lots. The fronts are identical:
But the backs of the cards I just got include full 1989 stats - the cards I had before only go up to 1988!