The inner spring is NOT functioning.  Hence selling cheap

The Platinum Curidas Retractable Fountain Pen is a high-quality writing instrument made in Japan. With a fine stainless steel nib, this pen is perfect for precise and smooth writing. The durable PMMA resin body ensures long-lasting use, making it a reliable choice for anyone who values fine craftsmanship and attention to detail. The sleek design and smooth operation of this fountain pen make it a coveted item for pen enthusiasts and collectors alike.