Articulated lamp Pirouett in marble art deco 1930

Pirouett art deco lamp, 1930. Signed french craftsmanship. In marble and metal in good condition, some rare traces of use, a small splinter on the marble. Adjustable in 3 places (at heights of 26 and 41 cm as well as the reflector). Very easy to use. Max height 56 cm. Base dimensions 18.5 X 13 cm, height 2 cm. Reflector dimensions 18 X 10 and h 9 cm.