Butterick 5461; ca. 1951; Blouse With Horseshoe or Tuxedo Neckline: (A) Trimly tailored blouse has the new, long-lapel tuxedo type neckline and deep-armhole sleeves that gather to a cuff just below the elbow to form a lantern effect. (B) Cuffed horseshoe neckline on the version with long sleeves. Featured in Butterick Fashion News, January 1951, and in Butterick Pattern Book Spring 1951