Very rare 1930s d3 Rotterdam "Sitzmaschine"

Brand:d3 Rotterdam or Fana
Design:Arie Verbeek in book "Volmaakt Verchroomd" or Paul Schuitema in book "2100 Metal Tubular Chairs" by O. Macel, page 135)
Model:Unknown; the Fana non-adjustable version is modelno. 404
Provenance:Private collection
Country:The Netherlands
Year:1932 - 1935
Literature:Book "Volmaakt verchroomd" and 2100 Metal Tubular Chairs
Condition:Very good; ready for new upholstery (Excluded in price)
Size:Height: 85 CM; width: 59 CM; length: 77 CM and seat height: 36 CM
Additional information:Adjustable d3 chairs are extremely rare, only one other Paul Schuitema model known
Price:€ 1895.00
Categories: Seating, Bauhaus style