From the pattern envelope:
Dress with fitted bodice and lightly flared three-piece skirt may be made with or without long set-in sleeves. Bodice has curved seaming at front, button trim in double breasted effect, two-piece collar. Ribbon bow is tacked to front of neck. Collar, right bodice front, armholes and waistline seam of sleeveless dress may be trimmed with military braid. Dress has center back zipper and sleeve openings are closed with zippers.