Vintage floor lamp

Vintage floor lamp has 3 heads in opaline and brass. Maison arlus has 3 lights in conical white opaline, with black brace pattern. Placing in a staircase in a gilded brass strapping. The tubular vertical stem with tapered extremites ending in a gilded brass ring at the top and an inverted cone at the bottom. The bottom is made of patinated metal rifle barrel and tubular ring gilded brass in the middle. Patinated foot rifle barrel. France 1950.