Orell Füssli is a Swiss banknote printing and bookselling company, established by Christoph Froschauer in 1519 as a book printer and publisher. It is currently operating in many print-related segments, such as security printing, bookselling, and publishing, with security printing being a primary contemporary product of the company. The company's shares have been traded on the SIX Swiss Exchange since 1897. It is the oldest continuously publicly traded company in Switzerland. Wikipedia