Model PH 4/3, designed 1927, this example executed 1930s.
Patinated brass, black bakélite, Green/white copper top shade, single layer opatline glass middle shade, frosted glass bottom shade.
Stamped 'PH - 4 PATENTED'.
Literature:
Jørstian, Tina, Nielsen, Poul Erik Munk, 'Light Years Ahead. The Story of the PH Lamp', L. Poulsen (Denmark) 1994, p. 147, 200, 216.
Ref: 2306012