Fontana Arte-Inspired Max Ingrand Glass Table Lamp from the 1960s in Italy

Wonderful and huge Fontana Arte table lamp, designed in 1954 by Max Ingrand and manufactured in the early 1960s in Italy.
Largest of three existing sizes The “Fontana” table lamps by Max Ingrand.
Both shade and base are in frosted white blown glass with multiple lighting settings illuminating base and shade.