This is a vintage Maru obi
with lovely butterfly on hazy mist pattern, which is woven.
Textile is exquisite soft silk.
It doesn't have a stiff lining inside.
It is relatively short.(13'1"/398cm)
There are kaikiri lines(end mark line) on the both ends.
The pattern is designed up side down to be tied with hikinuki knot style.
The fabric has been weaken.
There are frays on the both ends.
The strings are getting worn out.
There are also worn out strings along the folding lines.
For the details, please refer to the photos and sheet.
Since it is such an old item, it may no longer have enough strength to wear.
It must be a good handcraft material.