Invincia Stealth Ballpoint Pen, Black (MV41135) Monteverde's most popluar Invincia collection continues to blend art and technology for a perfect balance between high tech materials and classic styling. The bold colors emphasizes contrast and simplicity. Straight forward and always classic. Ballpoint Fine Writing Monteverde's most popluar Invincia collection continues to blend art and technology forming a balance between materials and styling. The bold colors emphasizes contrast and simplicity. Straight forward and always classic. Fine Writing, Ballpoint