This nice and plain wakizashi is semei. The blacksmith is Bishu Osafune Yasumitsu and its dated: Eisho,3.Year, in August. The meaning is, this beautiful sword was forged in August of the Year 1506. It has an Origami by Juho Token Kenkyukai. The JTK noted the long history of the family name. It was dated since 1390. The hamon is a clear suguha with some ashi, the blade is shoitame. The mounts are nice and simple, saya is in a auburn, woodlike tone.
Nagasa: 47,2cm, sori:1,1cm, 2 mekugiana, suriage
Inscription: Bishu Osafune Yasumitsu and: Eisho 3 nen 8 gatsu