This is Masao from the Uta-Sada series, which is no longer in production. It has been cleaned, sterilized, and hand-sharpened. It will perform well for sashimi during the New Year's holidays. ▲The original box has some scratches, etc.▼ The current model (Yoshihisa) is sold for 24,200 yen on the Kiya website (for reference). Measurements (approx.): Blade length: 210mm from the machi (heel) Spine thickness: 3.9mm Weight: 116g Please check the photos for the current condition. This is a used item that has been stored for a long time. Please consider this before purchasing if you are concerned about the condition. Instant purchase is OK. Thank you.