Vintage 1970s Green and Red Plaid Maxi Skirt, Button Front, Size XS/S

Red and green plaid A-line maxi skirt from the 70s. It has golden buttons down the front.  *The poncho in the photos is available separately* Brand - Unknown, the label is gone Content - I'm not 100% sure. I think it might be polyester. It does not feel like it has wool in it. Size - approximately a modern XS/S but please check all measurements to ensure fit Waist - 13.25" across Hips - approximately 19.25" across Length - 40.25" Condition - I don't see any holes or stains