This is a nice and decent Katana in a good condition with a lenght around 70cm. It is attributed to Takada Sadamori by Hozon NBTHK Origami.
This sword is a plain Koshirae with a signed Tsuba.
The blacksmith Sadamori was working around 1480/1500.
Though it is a late koto blade !
mumei Katana,attributed by Hozon to Takada Sadamori
lenght: 2 shaku, 3 sun, 5 bu