Retro 51 Tornado Smithsonian Fountain Pen in Dino Fossil. This pen is sure to make you roar! Smithsonian Logo printed on the top disc. Nib: #6 size stainless steel nib made by Jowo (Germany). It’s been plated in stonewashed copper to give it an unearthed look and finally top printed in ivory to highlight the several dinosaurs that wrap around the barrel.