These bright blue babies came out in 1982, issued by Davco. They feature painted artwork representing 25 Hall of Fame players. Some of the pictures feature team logos and insignia, while others do not. The backs are blank, and the stock is almost like that of a cereal box. Pretty heavy stock.
I found a checklist here: http://www.deliafamily.net/www.oldbaseball.com/MegaChecklists/ChecklistSet.php?setname=Davco~Hall~of~Fame~Boxes&year=1982