Butterick 2711 vintage sewing pattern, dated ca 1943.
Child's Two-Piece Pajamas, Three Styles:
Tailored two-piece button-on pajamas for your young son or daughter. The blouse top buttons down the back; the collar is optional, also attached feet.
Breast 20 inches / 51 cm
Pattern is UNPRINTED, and checked complete. Envelope has age yellowing, small holes around edges, store stamp on the front.