This is a student model (mid-range class) from Nikkan (currently Yamaha). Recommended for beginners. It has a silver head joint and an E mechanism that makes it easier to produce the third octave E, allowing for a soft tone. Overall, it's in relatively clean condition, but there are minor scratches from use. The case also shows signs of aging. For this listing, it has been completely disassembled, defective parts have been replaced, and it has been readjusted. There are no issues with sound production. You can use it immediately. ◎ We welcome your price requests and inquiries in the comments section.