Simplicity 5750 vintage sewing pattern, dated 1964.
Misses' Top and Hip-Hugger Slacks:
Slacks with lowered waistline and side zipper closure. Pants have detail at front lower edge and bow in back. Plus make top with lowered round neckline, below elbow kimono sleeves and back snap closure with bow trim. V. 1 is complete lined in lace only and has ribbon trim. V. 2 slacks and top are made in contrasting fabrics with bow trim of slacks fabric.
Bust 32 inches / 81 cm
Waist 25 inches / 64 cm
Hip 34 inches / 86 cm
Pattern is UNPRINTED, checked complete. Envelope has some wear around corners and opening, handwritten notes on front.
More '60s patterns here: