Simplicity 8870 vintage sewing pattern; ©1970.  

Misses' Overblouse, Mini-Skirt, Pants and Unlined Jacket ... Designer Fashion:

The sleeveless overblouse with back zipper closing and collar, has self fabric tie belt or purchased belt and optional button trimmed front tab. The unlined jacket with bracelet-length sleeves gathered to sleeve bands has front opening, patch pockets and optional top-stitching. The mini-skirt and the pants have elastic waistline casing. 

Size 14:

Bust 36 inches / 92 cm

Waist 27 inches / 69 cm

Hip 38 inches / 97 cm

Pattern is cut and checked complete. Envelope has some shelf wear.

More '70s patterns here:

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