This is a genteel oshima Tsumugi
Classical octagon pattern is so elaborately woven with double ikat technique.
Textile is silk and has soft and smooth touch typical of Oshima Tsumugi
Lapel is hiro-eri (wide lapel).
It has prominent stains in the left front part, which is difficult to find for its background color.
It also has smudges in the sleeve holes and hems (B) .
For the details, please refer to the photos and the sheet.
Overall, it's still in very good condition.
*Approx background color - HTML code ( 48392F)
Softness ( Exceptionally Soft,□ Soft, Medium, Comparatively Stiff, Stiff )