Butterick 6778 vintage sewing pattern, dated ca 1980s.
Loose-fitting, pullover blouse has jewel neck, back neck slit with button/loop, shoulder flange and long sleeves. Narrow hem. A: above elbow length sleeves. A and B: collar with ties, button cuffs. B: bias collar. Purchased belt.
Size : 8 10 12:
Bust: 31 1/2 - 32 1/2 - 34 inches 80 - 83 - 87 cm
Pattern is cut ( to size 12) , checked complete. Front facing has some damage to one edge, which will not affect use. Envelope is split down one side, repaired with tape. Handwritten name on the front.
More 80s patterns here: