Simplicity 7839 vintage sewing pattern, dated 1977.  

Misses' Shirt, Vest, Skirt and Unlined Jacket:

Shirt with front button closing has notched collar and long set in sleeves.Skirt with back zipper has waistband. Lined vest and unlined jacket have front button closing and optional top stitching.Jacket with pockets has long set in sleeves with slits. 

Size  10:

Bust  32 1/2 inches / 82 cm

Waist 24 inches / 61 cm

Hip     34 1/2 inches / 87 cm

Pattern is partly cut and checked complete. Envelope has a torn flap, handwritten name on the front.

More '70s patterns here:

http://allthepreciousthings.com/collections/1970s