Simplicity 6030 vintage sewing pattern ©1973.

Dress is Two Lengths in Half Sizes . . . Look Slimmer®:

The dress with skirt stitched to bodice above normal waistline has back zipper and "V" shaped neckline. Regular length dress V. 1 has short set-in sleeves and novelty braid trim. V. 2 has long set-in sleeves. Sleeveless V. 3 has metallic braid trim. Long dress V. 2 & 3 are ankle length. 

Size   12 1/2:

Bust   35 inches / 89 cm

Waist 29 inches / 74 cm

Hip    37 inches / 94 cm

Pattern is partly cut and checked complete. Envelope is in good vintage condition, with light spotting.

More '70s patterns here:

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