This authentic Montblanc Meisterstück Classique (Model 164) ballpoint pen features the iconic deep black precious resin and gold-coated accents. The Details: • Authenticity: Serial number CM1690938 engraved on the clip ring (see photos). "Germany" is also stamped on the underside of the clip. • Special Note: This pen was a corporate gift and has "INTERNATIONAL PAPER" engraved on the gold clip. • Condition: Excellent condition with a high-luster finish. Twist mechanism works perfectly. • Ink: Includes working black ink refill; writes perfectly. • Includes Original Montblanc hard-shell presentation case.