Tsuba:
Mei (signature) : mumei(Unsigned)　Tokei Tsuba　Owari school.

Length : 6.89 cm or 2.71 inches × 6.52 cm or 2.56 inches
Jidai(era) :Middle Edo period
Special feature: On the Iron plate, the shape of the gear is engraved.
This style is called Tokei (Watch) Tsuba.
The Tsuba is small sized nice iron sukashi tsuba.
If you wipe many times, the Jigane will be changed nice color.

AOI estimation paper
In Kiri box.