McCalls Pattern 620 Vintage 30s Swag Valances for Window Draperies 39-100 inches dated 1938. This gives instructions on how to made the valance boards and the pattern pieces to made the three sizes and styles shown. These include the valances and side tailings, instructions are given to make the drapes. These fit windows 39" up to 100". This is a very old pattern and the envelope itself is interesting, the front and back pictures are folded like a flap over the pocket that hold the pattern pieces and instruction sheets.