Model no. 6051.
Naturally patinated brass, glass.
Glass shade:
Height: 24 cm, Dia: 23 cm
Second example available, 2505044.
Similar model with three light sources available, 2508008.
Literature:
Catalogue, 'Böhlmarks', 1933, np.
Andrén, Erik, 'Aktiebolaget Arvid Böhlmarks lampfabrik 1872-1937', Stockholm, 1937, pl. 44.
Ref: 2508009