Simplicity 5923 vintage sewing pattern; ©1973.

Miss Petites Fitted Jacket, Skirt and Pants:

The lined princess seamed jacket with top stitching trim has front button closing, notched collar, long set in button trimmed sleeves, flap pockets and back vents. The skirt with front pleat has back zipper and waistband. The pants have front zipper and waistband. 

Size  10 Misses' Petite:

Bust  32.5 inches / 83 cm

Waist 25.5 inches / 65 cm

Hip    34.5 inches / 88 cm

Pattern is partly cut and checked complete. Envelope is in good vintage condition, with some minor spotting.

More '70s patterns here:

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