Sailor Koshu Inden Saya Black W/GoldThe Sailor Koshu Inden Saya Black Fountain Pen is a beautiful writing instrument that seamlessly blends traditional Japanese craftsmanship with modern fountain pen technology. Dating back over 400 years to the Sengoku Period, Koshu Inden is an ancient Japanese leather craft originally used to decorate Samurai armor. This intricate technique involves drawing traditional, nature inspired patterns on deer skin using lacquer, creating a captivating