Simplicity 4456; ©1942; Women's Nightgown: The V-shaped neckline may be collarless or finished with revers. Style I is sleeveless. Style II is made with long sleeves gathered above the waistline and a ribbon belt adjust the fulness. This pattern was produced by the Simplicity Pattern Company in 1942, and was re-issued in 1947 as Simplicity 2000 A.