I am selling this item to organize my husband's collection. Among the many pens he has collected, this is undoubtedly one of the finest. It is a completely new and unused item, complete with a warranty card, allowing you to fully enjoy the aging process from the beginning. The original mechanism is a mechanical pencil, so it can also be used as a mechanical pencil. This item is a rare and special model of Nohara Kogei's masterpiece, the "Wabi-Sabi." As stated on the official website, the Wabi-Sabi is usually made only from briar or genuine Japanese flowering quince, but this item is specially made using maple burl wood. The standard Wabi-Sabi has a wood section ratio of approximately 1:1, with a resin part embedded between them. The initial concept was to bring the transparent resin part, which is the most appealing feature when holding the pen, closer to the hand. However, due to various constraints during the manufacturing process, this was deemed unrealistic. Some of you may have heard this story at the store. Due to durability and processing difficulties, it was impossible to produce with briar or genuine Japanese flowering quince. After numerous prototypes, only maple burl met several conditions and, after special stabilization treatment, was finally completed, making it a truly legendary item. Compared to the standard Wabi-Sabi, the manufacturing process is many times more complex, and the success rate is extremely low. It has not been mass-produced, and this single pen is the only one of its kind in the world. From the unusual length of the pipe in the third image, you can see that it is in a class of its own compared to the standard Wabi-Sabi. In addition, while ordinary maple has a milky white single color when carved, this item has a unique, shimmering wood grain characteristic of burl wood, as well as a mixture of amber shades, making it a truly miraculous individual. The unique color created by nature boasts a beauty that can be called a "jewel of wood." I confidently recommend this pen for everyday use, for those looking for "a pen to last a lifetime," for those seeking the highest quality rare items, and for collectors. You may find listings within the flea market without a warranty card or with a partially cut warranty card, but as stated in the official guidelines, repairs and after-sales service are not available in such cases. This item comes with the warranty card, including personal information, so you can use it with peace of mind for life. For shipping, considering the compatibility of the sponge and metal fittings, the item will be delivered in a pen case with the main body and the warranty card.