Here is Butterick Pattern # 3853 UNCUT Misses Jumper or Overalls in sizes Large and XL. Fitted, straight jumper, above ankle or straight-legged overalls (semi-fitted through hips) have front-buttoned shoulder straps, loose-fitting, lined bodice, low armholes, side pockets, stitched hems and back zipper. View A: back slit and purchased cord for drawstring waist. View B: above mid-knee. View C: above ankle, purchased trim. Views A, C and D: pocket.
The pattern and instructions is still factory folded. The envelope shows wear and creases from storage.