The Charter issue included hockey and football stars as well as baseball cards. Here is Brett Hull, may be my least favorite hockey player ever.
If you missed out on Barry Sanders playing days you really missed out on a treat. He was amazing.
The history of the Stadium Club concept is probably out there on the 'net someplace but all I know is that I have a box of the 1993 cards that I'll put in a separate post. And I'll show off some of the back variations.