Simplicity 9231 vintage sewing pattern ©1979.

Misses Bias Skirt in Three Lengths and Tie Belt:

Skirt gathered to waistband, pockets in side seams, has opening concealed in left pocket, top-stitching and tie belt. V. 1 is approximately 2 3/4" shorter than view 2. V. 2 is regular length. V. 3 is long length. 

Size   10:

Waist 25 inches / 64 cm

Hip    34.5 inches / 88 cm

Pattern is UNCUT and factory folded. Envelope is in good vintage condition, with light shelf wear.

More '70s patterns here:

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