Here is McCalls Pattern # 9227 UNCUT Misses Formal Dress in sizes 4, 6 and 8. From the McCall's Evening Elegance collection: Misses' Bias Dress in Two Lengths. Bias dress in two lengths has front draped neckline, strap variations and back zipper closure.
The pattern and instructions are still factory folded. The envelope shows some wear and creases from storage that doesn’t effect the pattern.