Simplicity 5421 Vintage Sewing Pattern, dated 1964.
Teens' One-Piece Dress:
Princess Line dress has bust darts, a scooped neckline and a back zipper closing. V. 1 features short, set-in sleeves. Self fabric tabs with buttons extend from each side front seam. V. 2 is sleeveless with patch pockets.
Size 12T ( teen ):
Bust 32 inches / 81 cm
Waist 25 inches / 64 cm
Hip 34 inches / 86 cm
Pattern is UNPRINTED, checked complete. Envelope is in good vintage condition, with wear and tear to corners and opening.
More '60s patterns here:
http://allthepreciousthings.com/collections/1960s