18 ct. yellow gold, nib marked '750', numb. 4810, with engraving of a crown, the top marked '750' and numb. 267/888, partly gilded, with piston mechanism. Blue lacquere corpus with open worked ornaments. Crown ornament on the cover with 7 small rubies and 3 small diam. in round cut. New, with Original-box. L. 14 cm.