This is a Shioze Nagoya obi
with Matsu (pine tree) 'seigaiha' (wave) pattern, which is dyed.
Textile is shioze silk, and it has crisp touch.
Textile is silk, and it has soft to the touch.
It has slight discoloration on and near Otaiko pattern.
Corners of Tare end are frayed.
Both edges have smudge in full length.
There are patinas (A) on the wrong side of Tare end.
Stain on edge of Otaiko pattern may not show when tied properly. (thrid photo below the drawing image)
Kanto-maki (rotate obi counterclockwise) side of Maegara has patinas. (sixed photo below the drawing image)
Please see photos for details.
Although it has some flaws as mentioned, it is still in wearable condition.