This is an opened Nagoya obi
which is made by 'Orietsu', a distinguished obi weaving company.
It has decorative design, which is woven with gold foil threads.
Textile is exquisite silk and has soft touch.
There is a woven stamp of the weaver on the wrong side.
It is frayed widely, and also frays can be seen along a folding line.
Some foil threads are twisted.
There are some other flaws so please check photos for details.
If these flaws do not bother you, it could be still worn.
Please enjoy its elegant fashion!