Models of pendant lamps Cut Glass Bottle Shade Brass Fitting Art Deco, manufacturer tudo&Co https://www.tudoandco.com/collections/all/products/decanter-pendant-light 
The archive contains files in 2011 and 2014 versions, IES files with baked caustics, an obj file and the necessary textures.
* To get the baked light pattern from the crystal, there are IES lights in the scene. Plafond and bulb must be excluded from its influence. Color and intensity are user configurable. By default, IES is disabled.
Turbosmooth is open.
Tested for script viruses with Prune Scene.