Authentic vintage sewing patterns: This is a fabulous original dress making pattern, not a copy. Because the sewing patterns are vintage and pre owned, we check each vintage sewing pattern for completeness, for the pattern pieces and the instruction sheet. Please keep in mind these are vintage patterns that may show their age not perfect in appearance but still very usable. In many cases the vintage patterns have never been used and are uncut and factory folded.
Pattern by Simplicity
Pattern Number # 5789
Copyright 1970s
The pattern is: Complete FACTORY FOLDED
Size:   16  Bust: 38   Hip: 40
Simplicity 5789; ©1973; Miss Petites' and Misses' Dress ... Designer Fashion: The lined dress with skirt and bodice stitched to shaped midriff has back zipper, neckband and front slit at high round neckline. Top-stitched V. 1 has long set-in sleeves. V. 2 has short set-in sleeves

Love the design, but not the size? These sites will help you with resizing :
https://www.sovintagepatterns.com/blog.asp

http://sensibility.com/blog/tips/how-to-resize-a-pattern/