Simplicity 7310, dated 1977.
The top-stitched jumpsuit with front zipper has collar at high round neckline, long set-in sleeves gathered to buttoned cuffs, flaps buttoned to upper pockets and purchased belt. View 1 with side pocket has lower pockets with buttoned ends, forming belt carriers.
Size 8 10:
Bust 31 1/2 , 32 1/2 inches (both sizes included in pattern)
Waist 24, 25 inches
Hip 33 1/2 , 34 1/2 inches.
Pattern is UNCUT, factory folded. Envelope is intact, in excellent vintage condition.