Simplicity 6539; ©1966; MISSES' ONE-PIECE DRESS: Dress with bodice front dart and seam interest has lowered waistline, semi-circular skirt and back zipper. V. 1 & V. 2 have jewel neckline. V. 1 has long set-in sleeves with self ruffles and is lined when made of sheer fabrics. Sleeveless V. 2 has optional top-stitching trim. Sleeveless V. 3 has low neckline and self tie belt.