McCall's 8713 vintage sewing pattern, dated 1983.

Misses Blouses:

Buttoned blouse (all views) has forward shoulder seams, optional shoulder pads and long sleeves gathered to buttoned cuffs. View A has notched collar, B has tie collar. C has buttoned stand-up collar. 

Size  12:

Bust  34 inches / 87 cm

Waist 26 1/2 inches / 67 cm

Hip    36 inches / 92 cm

Pattern is cut and checked complete. Envelope is in good vintage condition, with pencil writing on the front. 

More 1980s patterns here:

http://allthepreciousthings.com/collections/1980s