Here is Vogue Pattern # 7797 UNCUT Misses Gown or Long Evening Dress in sizes 14, 16 and 18. Misses' Dress: Semi-fitted, bias cut dresses, evening length with train have invisible zipper back closure. A: key hole front and back strap gathered to neck band. B: Halter style with front overlay.
The pattern and instructions are still factory folded the envelope shows some wear and creases from storage.