Topps discount department stores arrived -in Hartford, Connecticut- in  October 1956. The chain proved quite profitable and was rapidly expanded into twelve states. 
Drawing from Interstate Department Stores, Incorporated Annual Report 1965


Some nifty fashions are on display at a Topps ladies' wear department.
Photo from Interstate Department Stores, Incorporated Annual Report 1965


Far out and groovy "threads" fill the racks at The Scene, a section in a Topps ladies' wear department.
Drawing from Interstate Department Stores, Incorporated Annual Report 1968


The grand opening of the Bradlees mother store is announced in this March 1958 newspaper spread. The store was located in New London, Connecticut. Dig those automobile tail fins, Daddy-oh!
Advert from the Bradlees Company


A typical Bradlees encompassed between 65,000 and 100,000 square feet. 
Photo from Stop & Shop, Incorporated Annual Report 1961


Several Bradlees units featured a Discount Food Outlet grocery. By 1986, there were 162 general merchandise stores.
Photo from Stop & Shop, Incorporated Annual Report 1964