This is a tasteful Oshima Tsumugi
kimono with fine 'kikko ' (tortoise shell) pattern, which is elaborately woven with double ikat technique.
Textile is Tsumugi
silk and has soft smooth touch, which is the feature of Oshima Tsumugi
Wear and slight discolorations can be seen.
It has prominent stains on back bodice part. (I and G) Therefore, it seems not to be suitable to wear.
There are other flaws.
Please check detail photos.
It must be an amazing handicraft material!