Simplicity 5606; ©1964; Girls' Two-Piece Dress with Detachable Collar: Pleated skirt joins to bodice which is cut of lining fabric. Overblouse has high round neckline and back button closing. V. 1 overblouse, trimmed with braid, gathers to a band. Long sleeves gather to cuffs which fastens with buttons. V. 2 overblouse features short sleeves, elastic casing at lower edge, contrasting detachable collar and ribbon trim.