Butterick 6429; ca. 1953; Boys' Pajamas in Three Styles. He loves his pajamas trimly tailored. (A) Cardigan necked button-front pajamas. (B) Convertible collar in this version. (C) Collarless middy-type top in this view. Trousers in the three views have an elasticized waist. Still featured in Butterick Pattern Book Fall-Winter 1956, and even still in Butterick Catalog 1960