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