Artcurial has a vintage sale upcoming. Some of the pieces are spectacular. Here's the link:
http://www.artcurial.com/en/asp/searchresults.asp?t=1316760&shopper=&
http://www.artcurial.com/en/asp/searchresults.asp?t=1316760&shopper=&
Stunning.This is one of my favourites, by Cartier, from around 1925: