Simplicity 7957 vintage sewing pattern ca. 1968.

Misses' Robe and Nightgown in Two Lengths:

The sleeveless nightgown V. 1 & 3 with "V" neckline has lace edging trim and ribbon tie belt worn above normal waistline. V. 1 is ankle-length. V. 3 is about knee-length. V. 1 & 3 robe with "V" neckline has gathered skirt, about wrist-length set-in sleeves and self fabric tie belt worn above normal waistline. Ankle-length V. 2 has self fabric bias ruffles and optional zipper. About knee-length V. 3 has lace ruffle.  

Size    12:

Bust   34 inches / 87 cm

Waist 25.5 inches / 65 cm

Hip    36 inches / 92 cm

Pattern is PRINTED, cut and checked complete. Envelope is tatty, with edge tears, tape marks, flap has been removed.

More '60s patterns here:

https://allthepreciousthings.com/collections/1960s