Simplicity 7476 vintage sewing pattern, dated 1976.
Misses' Shirt, Vest, Culottes and Pants ... Designer Fashion:
The top-stitched shirt with front button closing has collar and long sleeves with buttoned cuffs. The lined top-stitched vest has front button closing and back buckled belt. Culottes with pockets and buckled tab detail and the pants have back zipper, top-stitching and button trim.
Size 12:
Bust 34 inches / 87 cm
Waist 26.5 inches / 67 cm
Hip 36 inches / 92 cm
Pattern is uncut and factory folded. Pattern envelope is in very good vintage condition.
More '70s patterns here:
https://allthepreciousthings.com/collections/1970s