Timeless beauty and high valuable. Refinements have been added wherever technical progress allowed it. In any other respect, it largely remained the original as in the past; Featuring 925 sterling silver with ring guilloche on the cap; The Souveran 452 comes with a Barrel and front section of high-grade resin with a unique dark-green transparent finish;System: Rollerball Pen uses the capping system and accepts international standard refills