Authentic Tiffany & Co. Sterling Silver Art Deco Style Ballpoint Pen Rare Vintage Tiffany & Co. ballpoint pen. Sterling Silver 925 ( marked) Etched Pattern Twist Mechanism Blue Ink Made in Germany Approximate Measurements: Length: 4.25 in Diameter: 0.2 in Condition: one owner, seldom used, in like new condition. Comes with dust bag and original box, the box has a couple of pen markings on it and a tiny tare on the top left.