Erik Tidstrand, a ceiling lamp model "29509", Nordiska Kompaniet, 1930s.
Nickel-plated frame, discs in matte glass and yellow-toned glass, four light points. Height 22 cm, diameter 65 cm.
A few minor chips, newly rewired. Originally with a parchment shade above the discs.
Catalogue, Nordiska Kompaniet - Nyheter i Belysningsarmatur Hösten 1937, model depicted p. 37.