Simplicity 9326 vintage sewing pattern, dated 1979.
Misses' Front-Wrap Slim Skirt:
Skirt with side front button closing has back vent, back pocket, waistband, carriers and optional top-stitching and button trim.
Size 10:
Waist 25 inches / 64 cm
Hip 34 1/2 inches / 87 cm
Pattern is UNCUT and factory folded. Envelope is in good vintage condition.
More '70s patterns here:
http://allthepreciousthings.com/collections/1970s