for a pure cylindrical design
this will be a repeated production
A4 is also designed to fit traditional American 8
which will gain a quick patina with use
one of our earliest designs with the long cap feature
Fortis Backpack diamondcast for a pure cylindrical designSELLING CONDITION: NEW OLD STOCK. The Franklin Christoph Fortis Backpack is our extension into gear storage, including fountain pens, pen cases, laptops, books, charging cords, glasses, candy, tobacco, medicine, ink, money, water bottle, and anything else you might want to carry in an efficiently designed mobile space. Offered in Iron Brown canvas with black leather trim, or in Black canvas with dark brown leather trim. The Fortis BP is a tad smaller