This is a very impressive presentation Yanagi-ba yanone. This point is signed Shigeharu Saku. This type of flat blade Yanagiba yanone (willow leaf shape) is a difficult to find. What makes this rare is that instead of the typical cherry blossom open work, this one has a sukashi kanji character created when all of the metal but the kanji has been removed. This type of work is meant to be viewed with the tip down . On this one, the kanji has been colored gold.
The nakago measures 14.875 inches or (37.8cm). The blade is 4.875 inches or (12.4cm) long by 3.875 inches or (9.8cm) wide. The kasane is 2.7mm to 2.2mm (tip)