Simplicity 8167 vintage sewing pattern, dated 1987
Dress has surplice bodice with front tucks, back collar, long sleeves, back zipper and side seam pockets. V1 has gathered skirt and back hemline slit. V2 has a very full circular skirt.
Size 18 and 20:
Bust 40 42 inches / 102 107 cm
Waist 32 34 inches / 81 / 87 cm
Pattern is UNCUT, factory folded. Envelope is in good vintage condition, with a store stamp on the front.
More 80s patterns here:
http://allthepreciousthings.com/collections/1980s