Simplicity 5551; ©1964; Girls' One-Piece Dress with Detachable Collar - Transfer for Smocking Included: The full dress gathers to a yoke styled with a high round neckline and back button closing. View 1 dress has gathers below the yoke and patch pockets. The contrasting collar is detachable and trimmed with lace edging.V.'s 1, 2 long sleeves are also trimmed with lace edgings. V.'3 2, 3 features smocking just below the yoke and lace trim at neck edge. V. 3 is sleeveless.