Here is Vogue Pattern # 8603 UNCUT Misses Blouse with variations in sizes 18, 20 and 22. Women's loose-fitting blouse with extended, padded shoulders, front tucks, above elbow or long sleeves with button cuffs. B: self-lined peplum. A, B: wrap. A, C: narrow hem.
The pattern and instructions are still factory folded the envelope shows some wear and creases from storage.