Simplicity 7750 vintage sewing pattern ©1976. 

Misses' Jiffy Knit Pullover Dress or Top and Skirt (Sized for Stretch Knits Only):

Skirt has elastic waistline casing. Dress or top with cowl collar has long set-in sleeves.  

Size:   SMALL ( 8 - 10 ):

Bust   31.5 - 32.5 inches / 80 - 83 cm

Waist 24 - 25 inches / 61 - 64 cm

Hip     33.5 - 34.5 inches / 85 - 88 cm

Pattern is cut and checked complete. Skirt pieces for dress have been cut on short length; original extension pieces for maxi length are included. Pattern envelope has a small hole in front, and some handwriting.  

More '70s patterns here:

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