This is a reddish gold Fukuro obi
with exotic 'genji-e'(scene from Genji-monogatari) with Tatewaku (waving line) pattern, which is woven.
Foil threads included in fabric and the pattern twinkle gently.
Textile is silk, and it has soft to the touch.
Streaky discoloration below Otaiko pattern will not show when tied.
It has some other flaws, such as prominent folding lines and flaws as shown on photos.
Please see photos for details.
Although it has some flaws as mentioned, it is still in wearable condition.