Otto Hutt Fountain pens epitomise the highest quality craftsmanship. Every component is made in Germany by specialists. A six-digit number is engraved into the cap of each item and recorded on the accompanying warranty card. This enables every proud owner of an OTTO HUTT writing instrument to unmistakably identify their own writing instrument. Otto Hutt fountain pens are equipped with an Otto Hutt nib engraved with a unique brand logo.