This is a tasteful Chirimen Tsumugi Nagoya obi
with a design of swallow and 'sakura'(cherry blossom) on stream, which is dyed with katazome style technique.
Textile is chirimen Tsumugi
silk and has soft but textured touch.
It has prominent discoloration overall.
There are whitish stains upper otaiko, and they will appear when tied.
There are other flaws such as rather noticeable folding lines and seam of fabric.
Please check detail photos.
If the discoloration do not bother you, it could be still worn.
Please enjoy its vibrant fashion!