Fisher Blue Moon Translucent Bullet Space Pen with ClipFisher Space Pen Fisher's 400BB series, now known as the Blue Moon Bullet Space Pen, features a vibrant blue translucent finish, calling to mind the numerous mysterious and dark blue nebulae of our vast galaxy. A color this eye-catching truly does only come around once in a blue moon! When closed, Bullet Space Pens are the perfect size to carry in your wallet, pocket, purse, car glove box, organizer, or toolbox. When open, it's a full-sized, evenly balanced writing instrument. The original Bullet Space Pen was conceived in July of 1948. Paul Fisher was soon machining a new pen design shaped from solid aluminum. It became the first Fisher ballpoint pen, the 400 Bullet Pen, and arguably the most popular pen of the twentieth century. This pen is now all brass with a translucent blue moon finish with a chrome clip. Cited as an outstanding example of industrial art, the classic design of the Fisher Bullet Pen has been exhibited for years in the New York Museum of Modern Art. The Bullet's timeless styling has been the topic of many art books and magazine articles. Often imitated, but never duplicated, the Fisher Bullet continues to be their most popular pen.