Simplicity 5604; ©1964; Child's and Girls' Dress or Jumper, Blouse, Skirt and Pants with Detachable Suspenders: Dress or jumper has back zipper, tab and button trim. The blouse has collar, button closing and long sleeves with elastic casings. The skirt and pants have side zippers and waistbands with elastic in back. Suspenders button to waistband.
Still featured in Simplicity Pattern Book Autumn/Winter 1965