I asked about this last year at Millowners, thought it was just moved 
away for some reason (picture attached):
http://www.christies.com/LotFinder/lfsearch/LotDescription.aspx?intObjectId=4928014

and this one:
http://www.christies.com/LotFinder/lfsearch/LotDescription.aspx?intObjectID=4928072

didn't know this went elsewhere also, used to be in the kitchen:
http://www.christies.com/LotFinder/lfsearch/LotDescription.aspx?intObjectID=4928071

LE CORBUSIER, A Concrete Exterior Light Fixture, circa 1960, Price Realized $25,200
LE CORBUSIER, A Concrete Exterior Light Fixture, circa 1960, Price Realized $25,200 © christie's

Lot Description:LE CORBUSIER (1887-1965) - A Concrete Exterior Light Fixture, circa 1960 (35 in. (89 cm.) high, 34 5/8 in. (88 cm.) wide, 20½ in. (50 cm.) deep)

Provenance: Public area, Chandigarh.