Here is Butterick Pattern # 6580 UNCUT Misses Bolero Jacket, Pants and Skirt in sizes 6, 8 and 10.
Loose fitting, unlined, waist length jacket has shawl collar, shoulder pads and long sleeves. Tapered skirt, above mid knee or mid knee, or tapered pants, have raised waist (no waistband) and back zipper. View B: back hemline slit. Purchased tops.
The pattern and instructions are still factory folded. The envelope shows some wear from storage.