Here is Vogue Pattern # 1581 UNCUT Misses Formal Blouse Size 10 ONLY Bust 32 1/2.
Very loose fitting blouse has extended shoulders, shoulder pads, front and back tucks, back button closing and shortsleeves with stitched hems or long sleeves with button cuffs. View B has bias standing collar. View C bias collar extending into tie ends, View D and E collar with bow tie, View E contrast.
The pattern and instructions are still factory folded. The envelope shows wear and creases from storage.