Quote Originally Posted by Harold Cannon View Post
It looks like it may have been part of a joined plaid as I see what looks to be a stitch line running from top to bottom on the left.
Well done. There's more.

Then the shape looks like the fabric may have been converted to a modern womans skirt and this is a pleat cutout from the interior of the skirt under the waistband.
Oh no....

Quote Originally Posted by Cygnus View Post
The shape and size makes me think of a pipe banner, but I've never seen one in tartan before.
Interesting.... but no.