This is a copyright 2003 sewing pattern, Simplicity 5428. It is uncut in factory folds. The envelope shows a little wear and tear, and there is a name in ink on the back.
Vintage Clothes for Slender or Standard 18" Dolls - Fancy Dress - Versions A & B have different hemline and collar details. Petticoat - Versions A & B have different waist and skirt options.
Fits 18" high dolls with chest measurements of 10 1/4" to 11 3/4" and waist measurements of 9 1/2" to 11 3/4"