Achille Castiglioni (1918-2002) and Pier Giacomo Castiglioni (1913-1968) for Flos, Milan "Arco" Floor Lamp, 1962, white marble base, arched steel arm, and globe lampshade, labeled to reverse of base and inside of shade "Flos inc. 1246878". Base: 21.5" H x 7" W x 9.25" D; extended: 95" H x 82" W. Provenance: From a Riverside Drive Collection. Keywords: Vintage, Designer, Arc, Italian import, Lighting, Standing lamp