Kroger gives out Top Value trading stamps with every purchase (actually, they own the company that prints the stamps).
The National Stores grocery in the mall parking lot gives S & H Green Stamps to its customers.
One of many classic mall and retro retail internet sites, the MALL HALL OF FAME is a "Mid-mod" mall museum, covering shopping centers of America's mid-20th century (1946-1979). There are short articles, a few photos, and at least one physical layout drawing for every mall inducted. Please check your favorite mall articles often as new content is frequently being added.