I really like the vintage feel of this. I think you could make this from newer items and then distress to look older. The off center dim light is a nice touch to make it look older, less "perfect". Vintage auto headlight lens lamp by Joy Price
DIY: glass orb cluster light/ A cheaper way-glass christmas ornaments in different sizes, just make sure that the wattage of the bulb is low(so glass doesn't break). I would spray the gold ornament tops with Krylon's, Looking Glass spray paint.
Nautical Onion Outdoor Ceiling Light From New England shingled cottages to colonial homes in the deep South, this caged glass flush mount ceiling light has eternal appeal. Oiled rubbed bronze finish with seeded onion glass globe.