Butterick 4448 vintage sewing pattern, dated circa 1967. 

ONE-PIECE DRESS.

Low-waisted dress with banding at scoop neckline has full gathered skirt. View A has contrast banding at neckline, skirt hem and-hem of full- length sleeves. View B has short bell sleeves and self banding at neckline. 

Size  12:

Bust  32 inches / 81 cm

Waist 25 inches / 64 cm

Hip    34 inches / 86 cm

Pattern is cut and checked complete. Envelope is tatty and split down both sides.

More '60s patterns here:

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