Saint Louis Acid Etched Lampshade

Pineapple shape for this amazing lampshade in Acid etched glass signed St.louis (France) rich floral embossed with gold patinatuta. Unfortunately not my property, but a dear and lucky friend who gave me the opportunity to share it with all the friends of CV.
Complete with a beautiful vintage lamp holder.
What else?
-In the second picture Same decor , smallest in fuxia colour .
Thanks to everyone who love Shades , Glass , and Art Nouveau style.
A.B.