Simplicity 9417 vintage sewing pattern, dated 1971. 

Simple-To-Sew Misses' Super Jiffy Pants in Two Lengths and Tunic:

The sleeveless tunic with top-stitched keyhole neckline fastened with loop and button has back zipper and optional flat woven braid trim, purchased applique and purchased belt. The long or short pants have elastic waistline casing. The short pants have optional flat woven braid trim. 

Size   12:

Bust   34 inches / 87 cm

Waist 25 1/2 inches / 64 cm

Hip    36 inches / 92 cm

Pattern is cut and checked complete. Envelope has quite a bit of wear and tear and spotting.

More '70s patterns here:

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