This is a summer Ro tsuzure Nagoya obi
with 'shippou-tsunagi' (interlocking circles) with water streams pattern, which is woven.
Textile is summer sheer Ro silk, and it has soft and smooth touch.
There is a seam at about 108cm(42.1in) from Tare end (sorry no photos) , but it will not show when tied.
There are also small patinas on Otaiko and near Maegara patterns.
Patinas on Otaiko pattern may show when tied.
There is also a tiny black stain, 8mm, on Otaiko.
Folding lines are smudged along.
Please see photos for details.
If you do not mind the small flaws mentioned, it can continue to be worn.