The Parker 51 is a fountain pen introduced by the Parker Pen Company in 1941. Known for its sleek design and innovative features, it quickly became popular among writers and professionals. The pen's hooded nib allowed for a smooth writing experience while minimizing ink leakage. The Parker 51 was produced until 1972 and is often considered one of the most iconic pens of the 20th century. Its combination of style and functionality has made it a sought-after collector's item, with various models and colors available, reflecting the pen's enduring legacy in the world of writing instruments.