Simplicity 7150 vintage sewing pattern, dated 1975.

Misses' Dress in Two Lengths:

'Look Slimmer' dress with skirt stitched to bodice above normal waistline has back zipper. Regular length V.1 with long set-in sleeves has high round neckline and stand-up collar. Sleeveless dress V.2 with V shaped neckline is floor length.

Size   16:

Bust   38 inches / 97 cm

Waist 30 inches / 76 cm

Hip    40 inches / 102 cm 

Pattern is cut on long skirt length, and checked complete. Envelope is in good vintage condition, with light wear around opening.

More '70s patterns here:

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