Simplicity 7751 vintage sewing pattern, dated 1968. 

Misses' Dress in Four Styles:

The modified A-line dress has back zipper, long set-in sleeves gathered to buttoned cuffs, collar and optional purchased belt. V. 1 has front band, flap pockets, top-stitching and optional rhinestone trim. V. 2, 3 & 4 have contrasting collar and cuffs. V. 2 has flap pockets. V. 3 has lace jabot. V. 4 has ribbon bow. 

Size  10:

Bust  32.5 inches / 83 cm

Waist 24 inches / 61 cm

Hip    34.5 inches / 88 cm

Pattern is PRINTED, cut and checked complete. Envelope is in very good vintage condition, with some light paper tanning.

More '60s patterns here:

http://allthepreciousthings.com/collections/1960s