Wall system/ bookshelves in teak

Vintage Danish wall system and / or book shelves with 3 shelves in two different sizes. The teak shelves suspended from brass-colored brackets. The condition is fairly good, the shelves are in good condition with very light wear, one of the wall parts has multiple screw holes, see detailed pictures. The dimensions are 89 cm high and 92.5 cm wide. The shelves are: 1 shelf 89.5 cm wide by 30 cm deep and 2 shelves 89.5 cm wide and 22 cm deep.