Butterick 5511 vintage sewing pattern, dated circa late 1960s. 

Misses' One Piece Dress & Jacket.

Semi-fitted low waisted dress with pleated skirt has standing collar wrapped and tied at front. Semi-fitted cardigan jacket has full, full length sleeves gathered into band-cuffs. Flap and top-stitch trim. Jacket lined to edge.

Size  10:

Bust  32 1/2 inches / 83 cm

Waist 24 inches / 61 cm

Hip    34 1/2 inches / 88 cm

Pattern is UNCUT and factory folded. Envelope is intact, with paper tanning and foxing.

More '60s patterns here:

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