A Icon of Modern Design this lamp by Angelo Lelii isModel #12297 Scrittoio c. 1950 Cat. 22 This model is in original patina
“Base and structure in brass, rotating and adjustable, counterweight arm, adjustable reflector in lacquered aluminum. Deriving from the lamp designed by Cesare Lacca, this lamp preswents a sophisticated fastening systemfor the arm in any position, thanks to a self-blocking joint controlled by the rotation of its counterweight.”
The above text is from the catalogue Raisone Arredoluce page 281