German company, head in Monaco. Known addresses: Hoffmannstr. 43 Fernruf 72077 e 71213. Full name: Deutsche Füllhalter Werke Gmbh. According to this article the company was born from name change of the previuos "Anglo-Americanische-Füllfeder-Gesellschaft" who used the Angloamer trademark, that is know to be related to the Lang english company.