Simplicity 3440; ©1950; JUNIOR MISSES’ AND MISSES’ ONE-PIECE DRESS WITH DETACHABLE COLLAR: Style 1 features a mandarin collar, deep V neck and short sleeves. It is shown in a border print. Style 2 has a U neck, rounded collar, and detachable collar. Small buttons trim the bodice. Three quarter sleeves are gathered into bands. The full skirt is fitted with soft pleats in both styles.