McCall's 5556 vintage sewing pattern, dated 1991.

Fashion Basics - Misses' Jumpers and Jumpsuit: 

Set of loose-fitting jumpers and jumpsuit have faced low front U-neck and armholes, slightly blouson bodice attached to below knee length straight skirt A with back vent; full split-skirt B in below calf length; pants C with tapered legs - all have back zipper closure, side seam pockets and elastic thru waistline seam.  Tops not included.

Size   12 - 14 - 16:

Bust   34 - 36 - 38 inches / 87 - 92 - 97 cm

Waist 26.5 - 28 - 30 inches / 67 - 71 - 76 cm

Hip     36 - 38 - 40 inches / 92 - 97 - 102 cm

Pattern is uncut and factory folded. Envelope is in very good vintage condition.

More 90s patterns here:

https://allthepreciousthings.com.au/collections/1990s?page=1