Simplicity 2009 vintage sewing pattern, dated 1957.

Two-Piece and One-Piece Maternity Dress with Detachable Collar in Misses' Sizes:

V. 1 dress has wide neckline with collar, short set-in sleeves, two patch pockets and front button opening. V.2 and 3 are two-piece. Top has wide neckline with collar, button front opening. Slim skirt has adjustable waistline. V. 2 has short set-in sleeves and contrast detachable collar over self collar. V. 3 top is sleeveless and contrasting. 

Size   18:

Bust   38 inches / 97 cm

Waist 40 inches / 102 cm

Pattern is UNPRINTED, and checked complete. There are some occasional tears in tissue pieces, none will affect use. Envelope has wear and tear, store stamp on the front.