Type Hexagonal Ballpoint Pen Product Name Rotring 600 Newton (the Newton 600 has a conical tip, whereas the regular 600 has a cylindrical tip) Manufacturer and Year  Rotring (Japan), circa...

Type Hexagonal Ballpoint Pen Product Name Rotring Newton 600 Manufacturer and Year  Rotring (Germany), a version is currently manufactured  which is slightly different from this one. Circa 1996...

Type Hexagonal Mechanical Pencil Product Name Rotring Levenger, similar to the 600 but not marked 600. Manufacturer and Year  Rotring for Levenger in Japan, though the box says Hamburg, Germany...