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 # 1866
Copyright 1940s
The pattern is: Complete
Size: 11  Bust: 29  Hip: 32

Simplicity 1866; ©1946; Junior Misses' and Misses' Two-Piece Dress: The top is styled with princess lines which flare below the waistline. A double row of buttons makes a smart front closing. The skirt, cut in four sections; falls in an easy flare with fullness centered in the back. Style I has three-quarter length sleeves, finished with a contrasting detachable cuffs which button to the sleeves. The neckline is shaped. Style II has a round collar and a contrasting ribbon bow at the neck edge. The short sleeves are trimmed with cuffs.
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/