Montblanc 320 is a vintage fountain pen from Montblanc’s slim-line series, produced in the 1960s–1970s as a refined, everyday writing instrument positioned below the Meisterstück line. It features a clean, understated design with a lightweight resin body and gold-plated trim, paired with a smooth 14K gold nib that offers a reliable and comfortable writing experience. The 320 is valued for its balance, practicality, and classic Montblanc craftsmanship, making it an appealing choice for both collectors and daily users. The pen has a cartridge filling system, and is in very good, used condition, with light scratches caused by usage.