This one has some age spots, but it is a seldom seen print from Janicotte, whose familar cancan prints you've undoubtedly seen.
From EBay:
http://www.ebay.fr/itm/Janicotte-French-Cancan-/142174926829?hash=item211a4937ed:g:oNIAAOSw5cNYIylk
Other Janicottes:
http://barbebleu.tumblr.com/tagged/janicotte
https://www.google.com/search?hl=en&site=imghp&tbm=isch&source=hp&biw=1536&bih=695&q=janicotte&oq=janicotte&gs_l=img.12..0j0i24k1l4.2969.6310.0.9256.9.8.0.1.1.0.104.593.6j2.8.0....0...1ac.1.64.img..0.9.589...0i30k1j0i5i30k1.dIk2E4XSUQY#hl=en&tbm=isch&q=janicotte+cancan
Other cancan art:
http://barbebleu.tumblr.com/tagged/art
