This is a Fukuro obi
with delightful 'karabana' (imaginary flower in china), kikyo 'bell flower', and 'nadeshiko' (dianthus) circles pattern, which is embroidered against silver background.
Textile is soft silk.
There is a tiny stains at about 13cm(5in) from Tare end. (first photo below the drawing image)
There are dyestuff stains near Maegara.
Photo A is a tiny brownish stain near Maegara, but it can be shifted to side once tied.
When you start wrapping the obi from your right tummy to left(Rotate obi counterclockwise), stain will not show.
Snags are on embroidery.
Please see photos for details.
Overall, it is in very good condition and can continue to be worn!