Simplicity 6660 vintage sewing pattern, dated 1973.

Misses' Dress in Two Lengths:

Dress V. 1 or 1 with skirt stitched to bodice above normal waistline has cowl neckline and back zipper. Regular length V. 1 has long sleeves. Ankle length V. 2 is sleeveless. 

Size    8:

Bust   31.5 inches / 80 cm

Waist 24 inches / 61 cm

Hip    33.5 inches / 85 cm

Pattern is cut and checked complete. Skirt pieces have been cut on short length, with extension pieces for maxi length included. Envelope has wear and tear around opening.

More '70s patterns here:

http://allthepreciousthings.com/collections/1970s