This is a Mitsubishi Power Tank ballpoint pen. The ink flows. Other colors are also being exhibited. *Even for items listed as new and unused, there may be scratches, scuffs, or dirt due to long-term storage. We await purchases from those who understand this. For unopened items, we have not been able to confirm operation, so please understand this in advance. Especially with ballpoint pens, the ink may not flow. Please comment if you would like to check the ink. We cannot guarantee the ink. Before purchasing, please check your profile. Many of the items for sale are stationery such as writing instruments. If you like, please also view our other listings. All items can be purchased immediately. Please comment if you wish to check the condition of the item. We also accept additional images. We will offer discounts for purchases of sets or bundled requests. Thank you very much.