Obi, navy, with stains

This is a deep navy blue obi.

It was found while cleaning out my parents' home.
I don't know the details, but it is an old item.
There is one stain.
Please check the 3rd photo.
(The 3rd photo is brighter than the actual color.)

Please note that the color may appear differently depending on your monitor.
If you are concerned, please refrain from purchasing.

Length: Approximately 360 cm
Width: Approximately 28 cm