63cm (when standing with the bell facing down). Engraved with the Imperial Japanese Navy Air Corps. Ogura Tokyo Japan, anchor and star mark on the bell. Army: "star mark" Navy: "anchor mark". As for the condition of the instrument, there is a lot of rust, dents, dirt, etc.
It is over 80 years old. If you plan to use it, we recommend that you have it maintained by a professional. International Buyers - Please Note. Thank you for your understanding.