Table Lamp PH 4/3 (pic. 1), Poul Henningsen, strain and foot of brass, mounted with green lacquered metal screens, h. 45 cm. Produced by Louis Poulsen.
Not the anniversary model to celebrate the 100th anniversary of PH`s birth in 1994 as some claim - even auction houses.
PH table lamp, model Treph (pic. 2), anniversary model with browned brass stem and foot, fitted with 3/2 opal glass shade set. Produced by Louis Poulsen in a limited number in connection with the 100th anniversary of the birth of PH. Picture from an auction at 2011 at lauritz.com
PH 3/2 from 1927 (pic. 3) the year it was patented. From the book “Danske designere POUL HENNINGSEN” by Erik Steffensen, Lindhardt og Ringhof.