Great Exhibit cards...I've always liked those (never knew about those Dad's Cookies cards either!).
Some of you may remember Renata Galasso who was one of the early baseball card mail order dealers in the early part of the 1980's & who published a hobby magazine entitled Baseball-Hobby Card Report.
One of the very first publications that Cal Ripken Jr. appeared on was the cover of one of these magazines from the Summer of 1984. Here is the magazine and the original cover artwork done by famed baseball artist Ron Lewis:
