Simplicity 5872 vintage sewing pattern, dated 1964.

Misses' One-Piece Bride's or Bridesmaid's Dress or Evening Dress in Two Lengths:

Dress with Empire waistline, lowered neckline. V.s' 1, 4 long length. All but V. 1 have back zipper closing. V.s' 1, 3 lined. V. 1 sleeves long. V. 2 short. V. 1 bodice back has buttons and loops, zipper in skirt. Short sleeved V. 3, sleeveless V.s' 4, 5 have ribbon trim. 

Size 16:

Bust:   36 inches / 92 cm

Waist:   28 inches / 71 cm

Hip:     38 inches / 97 cm

The pattern is unprinted, unused, and still factory folded. Envelope has paper fading, wear and tear around flap.

More vintage bridal patterns here:

http://allthepreciousthings.com/collections/wedding