Butterick 6892 vintage sewing pattern; dated ca. early 1980s. 

Misses Blouse:

Loose-fitting blouse has standing collar with lace trim, front buttoned closing and short sleeves gathered into barrel cuffs or full-length sleeves with continuous lap opening gathered into buttoned cuffs. View A has front tucks. View B has front lace trim, tucks and jabot with lace trim. 

Size   10:

Bust   32.5 inches / 83 cm

Waist 25 inches / 64 cm

Hip    34.5 inches / 88 cm

Pattern is cut and checked complete. Envelope is in good vintage condition, with spotting.

More 80s patterns here:

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