Wow! Antique-shop.com forums are in the big #1 spot on Google for the search term "antique shop forum", for 4 years running!Thanks to YOU.
This is what the back should look like..........haven't found anything more yet http://www.etsy.com/listing/50384405/vintage-art-deco-lamp-base-couple-man
We haven't nailed it yet. But the hammer's coming down.