Simplicity 8155 vintage sewing pattern, dated 1977.   

MISSES' PANTS, SKIRT, UNLINED BLAZER AND VEST:

Pants and skirt have front zipper and waistband. Top-stitched  vest has front button closing and princess seaming. Top-stitched blazer with front button closing and tucks has notched collar, inset and long set-in sleeves. 

Size   12:

Bust   34 inches / 87 cm

Waist 26.5 inches / 67 cm

Hip    36 inches / 92 cm

Pattern is partly cut and checked complete. Envelope is in good vintage condition.