You could have found this in Marilyn Monroe's closet back in the day!
Misses Blouses: The fitted blouse, to wear tucked in or as an overblouse, features a V-neckline and may have short kimono sleeves or be sleeveless. Buttons accent sleeve band and tabs at hipline, view 1. Band trim, lapped at center front, outlines view 2 neckline. Piping is contrasting. Contrasting bias or ribbon details large collar, view 3. 10 pattern pieces.
Size 16 Bust 34", Waist 28 Hip 38"
Gently used pattern is complete and comes with instructions. The envelope shows wear with age discoloration, frayed edges, missing most of flap and some tears.