No. 642-N Masterpiece piston-filler fountain pen, black resin barrel, rolled gold cap, alternating pinstripe and plain line pattern, peaked captop star, striped ink window. 130mm. Broad oblique 14K gold circle-vent Montblanc wing-style nib, slight flex. Excellent condition, crisp imprints, cartouche neatly inscribed, captop star bright white.