McCall's 5263 sewing pattern, dated 1991.
Maternity Tops, Pants & Shorts (For stretch knits only):
Maternity pullover set of tops with dropped shoulders; View A, B have back neckline slit with buttons, elastic with self fabric casing; with and without sleeves; purchased trim B; top C, D with ribbed knit neck, two-piece pocket; contrast variation; pull-on pants in two lengths or shorts.
Size 10 12 14:
Bust 32 1/2 - 34 - 36 inches/ 83 - 87 - 92 cm
Pattern pieces for tops are cut (to a size 12) and checked complete, remaining pieces are uncut. Envelope has wear to corners.
More maternity patterns here:
https://allthepreciousthings.com.au/collections/maternity
