Warnemünde engraving on the clip. Rare 1990s annelé pattern, comes with black refill inside. Very elegant Dupont Ballpoint Pen in perfect working condition, with little signs of use. High quality, made in FRANCE. ST DUPONT Ballpoint Pen in gold plated - Warnemünde engraving on the clip - rare 1990s annelé pattern, comes with black refill inside Very elegant Dupont Ballpoint Pen in perfect working condition, with little signs of use.