Butterick 5487 vintage sewing pattern, dated circa 1970s.
Misses' Bikini and Swimsuit.
Halter bias bikini top, has V neckline, attached self ties, elasticized edges, self knot trim, and lingerie hook closing. Bikini bottoms, gathered at front into forward side seams has elasticized edges and lined crotch. Bias one-piece swimsuit has V neckline, under bust seaming, attached self straps crossing in back, lingerie hook closings, elasticized edges, lined crotch and self knot trim.
Size 10:
Bust 32 1/2 inches / 83 cm
Waist 25 inches / 64 cm
Hip 34 1/2 inches / 88 cm
Pattern is partly cut and checked complete. Envelope has light paper tanning, wear and tear around flap.
More '70s patterns here:
http://allthepreciousthings.com/collections/1970s