Simplicity 6023; ©1965; Maternity One-Piece Dress in Misses' Sizes: Maternity dress with let-out side seams has lowered round neckline, collar and back zipper closing. V. 1 with short set-in sleeves has rick-rack and button trim. V. 2 with short set-in sleeves has self fabric bow. Sleeveless V. 3 has contrasting collar & ribbon bow.