Model PH 4/3, designed in 1927.
Brass base, black bakélite and matt glass shades.
Stamped to the base: '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: 2110014
H. 54cm/21.3"
Dia. 40cm/15.7"