Butterick 4387; ca. 1947; Misses Overblouse in Two Lengths. (A) Soft tunic overblouse dips in back and has a slit in the center back seam. The blouse has a casual collar, dropped shoulder sleeves, fullness below the button-front closing. (B) Shorter length. Both versions are "Quick and Easy" to cut and sew." Featured in Butterick Pattern Book / Counter Catalog, 1947