Simplicity 6178 vintage sewing pattern, dated 1974.  

Maternity Tops:

V1 and 2 with back zipper has front slit opening at high round neckline, collar, front yoke, patch pockets and short set-in sleeves gathered to armholes and button trimmed cuffs. V1 has contrasting collar, cuffs and pockets. Collarless V 3 and 4 with front button closing have "sweet heart" neckline and short set-in flared sleeves. V 3 has flat woven braid trim. 

Size   14:

Bust   36 Inches / 92 cm.

Waist 28 inches / 71 cm

Hip    38 inches / 97 cm

Pattern is partly cut and checked complete. Envelope is in good vintage condition, with some small holes in the cover.

More '70s patterns here:

http://allthepreciousthings.com/collections/1970s