Here is Simplicity Pattern # 8374 UNCUT Misses Summer Blouse with button front, wide neckline and collar and sleeve variations in sizes 6, 8 and 10.
Bust from 30 ½ inches to 32 ½ inches
Waist from 23 inches to 25 inches
Hips from 32 ½ inches to 34 ½ inches
Fabric: Cotton and Cotton Blends, Broadcloth, Chambray, Eyelet, Poplin, Silk and Silk Types.
The pattern and instructions are still factory folded. The envelope shows some wear and creases from age and storage.