Simplicity 5877 vintage sewing pattern ©1965. 

Misses' One-Piece Dress with Two Skirts: (Including Tissue Lesson-Chart ... "How to apply a waistline stay.").

Shirtwaist dress with notched collar, set-in sleeves, bodice front button closing, side zipper has self fabric or purchased belt. V.s 1 & 2 have pleated skirt with concealed pocket; V. 3 slim skirt has center back pleat. V. 1 has long sleeves gathered to buttoned cuffs. Short sleeves V.s 2 & 3 have turned back cuffs. 

Size  16:

Bust  36 inches / 91 cm

Waist 28 inches / 71 cm

Hip    38 inches / 97 cm 

Pattern is PRINTED, partly cut and checked complete. "How to sew" instruction sheet is included. Envelope is tatty, open on 3 sides.

More '60s patterns here:

http://allthepreciousthings.com/collections/1960s