Butterick 3939 vintage sewing pattern, dated 1986.  

Designer: J.G. Hook

Misses' / Misses' Petite Dress:

Dress, below mid-calf or lower calf, has collar on band, slightly extended shoulders, shoulder pads, yoke with forward shoulder seams, very loose-fitting blouson bodice with concealed button closing, elastic waist, flared skirt with one-way front pleat, side pockets and elbow or long sleeves with button cuffs. Purchased belt and tie. 

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  cut and checked complete, cut to size 16. Envelope is in good vintage condition.

More 80s patterns here:

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