This Koto era blade dated from the 19th centry is fairly rare in the Japanese market. A sword with matching mounts. Everything appears original with the exception of the paint on the scabbard.
The seppa also appears to be new while the tsuba fits perfectly. Wrap appears to be original too. Blade is probably 16th centry is quite sharp but is not for a perfectionist. 31.75 in overall, with a cutting edge of 21 in.