Here is Butterick Pattern # 3971 UNCUT Misses Bias Skirt in sizes 18, 20 and 22. Bias skirt has contour waist, shaped hemline and back zipper. Narrow hem. A and C Slightly flared, above mid knee. B and D flared above ankle. C and D front overlay with flounce. Purchased top. More new, vintage and out of print skirt sewing patterns listed.
The pattern and instructions are still factory folded. The envelope shows wear and creases from storage.