I found these two beauties in my trusty George Barbier: Master of Art Deco book. Apparently, they were part of an album George Barbier published in 1914 dedicated to the Russian Ballerina Tamar Karsavina who danced with the Ballets Russes. I particularly like the way he has the figures against a black background - it's very striking! P.S. Click here for more George Barbier.
Both images form George Barbier: Master of Art Deco.