Butterick 3524; ca. 1945; Women's and Misses' Maternity Smock. (A) Flared back flows from a yoke, inverted pleat either side of front. Frill at neck, sleeves, pockets. (B & C) Back fullness swings from shoulders; mandarin neck; sleeves with contrast facing or self cuffs; flap pockets; button or frog fastening.