Inside a very plain envelope came a really cool surprise for me.
Not only was there a really great sewing pattern in it.
The envelope also included a magazine article about the sewing pattern from This Week Magazine from March 2, 1947. Notice on the last image from the article there is a section torn out, I'm sure that was the coupon that was mailed in for the sewing pattern. It is great to see models wearing the pattern rather then just illustrations! Here is another version of the same article with the coupon included