Rare Monumental Slab Lucite and Polished Aluminum Table Lamp by WILLY RIZZO for B F ITALIA. Made in Italy. 1970s to early 80s.

42.75 inches (108.5 cm) tall overall.
The base is 6.1 inches (15.3 cm) wide by 5.75 inches (14.6 cm) deep. The shade diameter is 15.4 inches (39 cm).