Montblanc. PIX Rollerball Pen A Montblanc PIX rollerball pen, the black precious resin barrel and cap with gold-plated fittings, the cap surmounted by the Montblanc emblem and engraved Montblanc PIX. The model reflects the streamlined, Bauhaus-inspired aesthetic associated with the historic PIX name. Model: PIX Type: Rollerball pen Material: Black precious resin with gold-plated trim Condition: Excellent condition. Accompanied by: No original box. Shipping: Shipped worldwide with tracking.