This is a graceful vintage Maru obi
with butterfly pattern, which is woven on silver background.
Textile is exquisite silk and has soft touch.
It has kaikiri lines(end mark line) on both ends, which is suitable for Hikinuki knot style.
Lining is not added inside.
It has discoloration and patinas overall, especially, on the pattern one are prominent.(4th flaw photo)
May be, this piece was tied in fancy bow, folding lines are remained till tare end.
Some threads are missing by fray.(5th flaw photo)
There are other flaws such as tiny snags.
Please check detail photos.
In addition, the seam of tare end is unpicked near the both sides.
Though it has some flaws by ages, please enjoy its full taste of vintage!