Butterick 6921 vintage sewing pattern, dated 1980s.

Misses' Blouse. 

Loose-fitting blouse has front tucks, extended shoulders, and back button closing. View A has Peter Pan collar. View B has front button trim shaped stand-up collar. Purchased belt.

Size    10:

Bust    32 1/2  inches / 83 cm

Waist  25 inches / 64 cm

Hip     34 1/2 inches / 87 cm

Pattern is partly cut and checked complete. Envelope is in very good vintage condition, with a sticker mark on the front.  

More 80s patterns here:

https://allthepreciousthings.com.au/collections/1980s