This is the "billy tl" model, manufactured by j.t. Kalmar in vienna, austria. These wonderful lights feature a wooden stem, elegant triangular brass feet, and a white metal cone lampshade. They have been professionally restored and rewired and are in very good condition. The lamps provide a smooth and wonderful light, making them suitable for use as bedside lamps. Additionally, they can be used in living rooms, studies, or offices to create a stylish and inviting atmosphere. this piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.