Butterick 6723 vintage sewing pattern, dated ca 1971.

Half Size Jumper Tunic and Pants.

Semi-fitted jumper, mid-knee or ankle length, or tunic has U-neckline and optional topstitching. Contrast straight-legged pants have elasticized waistline. 

Size   12 1/2:

Bust   35 inches / 89 cm

Waist 28 inches / 71 cm

Hip    37 inches / 94 cm

Pattern is UNCUT and factory folded. Envelope has shelf wear, store stamps, age tanning and wear around opening.

More '70s patterns here:

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