This is a Oshima Tsumugi
Kimono with exotic butterfly pattern, which is woven with doublt ikat technique.
Textile is silk, and it has soft to the touch.
Collar is hiro-eri (unfolded).
Sleeves have basting stitches.
There are slight stains on right shoulder line, and there are snags on left shoulder line.
Slight discoloration and wear on collar are light and not disturbing.
Please see photos for details.
Its lining is slightly discolored. (sorry no photos)
Although it has some flaws as mentioned, it is still in wearable condition.