This is a tasteful vintage Nagoya obi
with diamond shaped dragons pattern, which is woven.
When you start wrapping the obi from your right tummy to left(Rotate obi counterclockwise), dragon pattern will show.
When you start wrapping the obi from your left tummy to right(Rotate obi clockwise), stripes and lattice pattern will show.
Textile is silk and jinken(rayon) blend and has relatively stiff touch.
It has frays on the tare corner and overall.(indicated as smudges on the sheet)
There are some other flaws.
For the details, please refer to the photos and the sheet.