Butterick 6433 vintage sewing pattern, dated 1988.  

Misses' / Misses' Petite Dress:

Dress, above mid-knee variations, has shoulder pads, semi-fitted, dropped waist bodice, straight or flared skirt, back zipper and cap sleeves. A,C: ruffle variations. B,C: back bow with knot. C: Back hemline slit. 

Size  12 14 16:

Bust  34 36 38 inches /  87 92 97 cm

Waist 26 1/2 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 good vintage condition, with a small area of correction tape on the front.

More 80s patterns here:

https://allthepreciousthings.com.au/collections/1980s