From 1991, this is Simplicity 7601 sewing pattern, license through Mattel so that you can create a nice wardrobe for Barbie.
Here's what you will be able to create:
Wedding gown and veil
Ball Gown and shrug
Gown and shrug
Shift, coat, hat and bag
Baby doll pajamas
The paper envelope is in great condition, with minimal wear. The tissue paper sewing pattern is factory folded and in excellent condition. The paper instruction sheets are also in excellent condition.