- all writing instruments are made of solid Sterling silver 925/000

- clips are made of metal either gold- or silver-plated

- gold-plated parts are plated with 23,5 ct gold

- special coloured lacquer finish by several coats of laquer

- ball-point pens with twist mechanism an large capacity refill

- fountain-pens with converter also suitable for cartidges

- Iridium nib gold-plated, a 18 ct. gold nib can be supplied at an additional price