McCall's 2359 vintage sewing pattern, dated 1970. 

Misses' Two-Piece Dress in Three Versions.

Top has pockets and center back zipper. Top has button trimmed contrast bands, or detachable contrast collar. Skirt has left side zipper. 

Size  16:

Bust  38 inches / 97 cm

Waist 29 inches / 74 cm

Hip    40 inches / 102 cm

Pattern is partly cut and checked complete. Envelope is intact, in good vintage condition, with a store stamp on the front.

More '70s patterns here:

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