Simplicity 9235 vintage sewing pattern, dated 1979.

Misses' Blouse:

Blouse has front gathered to forward shoulder seams, front button closing, set-in sleeves gathered to armholes and shawl collar with optional notch detail. V. 1 & 2 have long sleeves gathered to buttoned cuffs. V. 3 & 4 have short sleeves gathered to turn back sleeve bands. 

Size   12:

Bust   34 inches / 87 cm

Waist 26 1/2 Inches / 67 cm

Hip    36 Inches / 92 cm

Pattern is UNCUT and factory folded. Envelope is in good vintage condition.

More '70s patterns here:

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