Simplicity 6023 vintage paper sewing pattern, dated ca.1965. 

Maternity One-Piece Dress in Misses' Sizes:

Maternity dress with let-out side seams has lowered round neckline, collar and back zipper closing. V. 1 with short set-in sleeves has rick-rack and button trim. V. 2 with short set-in sleeves has self fabric bow. Sleeveless V. 3 has contrasting collar & ribbon bow.

(2 copies available)

Size   12:

Bust   32 inches / 81 cm

Waist 25 inches / 64 cm

Hip    34 inches / 87 cm

Pattern is unprinted tissue, checked complete and in good condition with instructions. Envelope is in good vintage condition.

OR

Size   14:

Bust   34 inches / 87 cm

Waist 26 inches / 66 cm

Hip    36 inches / 92 cm

Pattern is unprinted tissue, checked complete and in good condition with instructions. Envelope is in good vintage condition.