Simplicity 9108 Vintage Sewing Pattern, dated 1989.
Christey Brinkley Collection:
Pleated Pants & shorts with left side pocket opening have belt loops and buttoned waistband.
Sizes 12 - 14 - 16:
Waist 67 - 71 - 76 cm (26 1/2 - 28 - 30 inches)
Hip 92 - 97 - 102 cm (36 - 38 - 40 inches).
Pattern is partly cut, to largest size, and checked complete. (Pants pieces are uncut) There is a piece of tape on one corner of shorts piece. Envelope is intact, has a sticker remnant on front.
More 1980s patterns here:
http://allthepreciousthings.com/collections/1980s