I didn't know that the original feet had "Corona" stamped on them either. Makes me wish that I had examined the old crumbly feet from my Corona Four more closely.
And you've an awesome art deco/ machine age bankers lamp to boot!
That's what it is? I just grabbed it because it was a descent price.
Huh, I just found a lamp exactly like that a couple weeks ago! ($5 at thrift)Mine's a sort of grey-gold and is marked "ART SPECIALTY CO. CHICAGO" on the base. Looks exactly the same in shape, though.