Metal book rack c. d 9

Vintage mid-century design metal book rack with two black and grey bookshelves

Condition:
The book shelves have scrathes and corrosion (see photos)
The vertical hanging system has slight corrosion

Total height: 48 cm (189")
Width vertical system: 17 cm ( 67")
Length shelf: 485 cm (191")
Width shelf: 18 cm (7")