High-quality fabric, haba-jaku (wide width fabric), navy blue cloth

Is this thicker than yukata fabric, perhaps a haori?
It feels similar to a winter suit.

The fabric is a thick navy blue, probably cotton.
Width: 37.5 cm, Length: approximately 7.3 meters.

I'm selling this because I found some old fabric when I closed my grandmother's clothing store. The price tag from the store said 6000 yen. It's an old tag, so I think it might be valuable now!
She had a lot of good quality items, so I believe this is a good piece, but I'm not an expert, so please judge from the photos.
I couldn't find any information even when searching for the stamp.

It's a navy blue fabric, thick and sturdy. It says haori fabric, but the actual measurement seems a little short. Please consider whether this length is sufficient before purchasing.

For photos 6 and 7, I used white light.
The first photo is in outdoor light and incandescent light, the others are in incandescent light. It's difficult to convey the color...

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