Simplicity Pattern Pattern Number 4650 Copyright: 1954 Vintage 50's One Piece Dress Pattern Dress pattern features a fitted bodice with a square front neckline to a V in back. Gored skirt is moderately flared. Self or purchased belt is worn. View 1 has a wide shaped collar with contrasting bias binding trim and short sleeves. View 2 is sleeveless with a contrasting collar. View 3 has short sleeves and contrasting bias and bow trim detail neckline.