Here is McCalls Pattern # 6431 UNCUT Misses Dress or Tunic and Skirt in sizes 16, 18 and 20. Misses Dress In Two Lengths, Tunic And Skirt. Loose fitting, front buttoned dress or tunic with neckline variations has front shoulder pleats, dropped shoulders, shoulder pads and side seam pockets: waistline seam forms casing for elastic; pull on skirt has fold back waistline casing with elastic.
The pattern and instructions are still factory folded the envelope shows some wear and creases from storage.