Simplicity 3504…Misses’ One-Piece Dress Pattern in Bust 38". Pattern is cut and all the pieces & instructions are there. Envelope in fair condition. No copyright date but following the guide this pattern is 1960. ’Simple to Make’. Dress has blouse bodice, bateau neckline and very short kimono sleeves. Slim skirt has back slit opening. V. 1 has top-stitching and self fabric tie belt. V. 2 has bias binding and ribbon belt and may be made of lace or other fabrics.