Buffet or Bookcase 2 bodies in polished and varnished steel circa 1960

Buffet or Bookcase 2 bodies in polished and varnished steel by me around 1960, it is composed of a lower part opening onto 2 sliding doors with modular interior shelving and a tall unit with a brushed oak shelf and 2 doors sliding glass and modular shelving. Rare piece of furniture in its design and format.