Art Deco desk laThe lampshade bears the signature: "La Luciole" in French means "firefly". This signature is associated with the French glass manufacturer Muller Frères, which was known for its high-quality Art Deco glassware. Usually, when you see this signature, it means that the lampshade or other glass item was made by Muller Frères in collaboration with "La Luciole", which was a trade name under which they sold some of their products.mp in bronze, brass, and glass paste, in a tulip style. 1930s. Made in France.