Vtg 70s windowpane houndstooth midi skirt - Fire Islander brand

Vintage early 1970s era straight tea length skirt with elastic waist. Pockets on each hip. From afar, the fabric looks like a light blue and dark blue windowpane pattern, but up close it's really tiny white, blue, and black houndstooth. In excellent condition. No flaws. Size 18-20. Waist 34" Length 28" Modest - rare - retro - academia - plus size vintage