Vintage 70s Lee riders NWT 34x36 houndstooth boot cut

NWT Union made in the USA Talon 42 zipper Leather back patch 1970s Small houndstooth pattern Size 34x36 see pics for actual measurements There is some copper oxidation from the button and zipper. It's minor There is the number 63 written in a few places on the inside of the pants. Maybe a sample garment. see pics