This is a Fukuro obi
with exotic doukyo 'copper mirror' and 'karabana' (imaginary flower in china) pattern, which is woven.
Textile is silk, and it has soft touch.
Actual color is darker and in light brownish color than shown on photos.
It does not have any folding lines, and it seems unworn.
Wrinkles from previous wearing are seen in places, and they may be noticed.
(first photo below the drawing image)
It has some other flaws as shown on photos.
Please see photos for details.
It has some flaws as shown on photos, but overall it is in very good condition and can be worn.