Here is a New Look Pattern # 6149 Girls Jumper Jumpsuit Overalls in size 18 months, 2, 3, and 4. The tab on the pattern envelope has been taken off. but inside the pattern and instructions are still factory folded.
Size 18M - 4 years
Chest 52 - 56cm (20 1/2 - 22 in)
Waist - to 53cm (21 in)
Hips - to 58cm (23 in)
This sewing pattern to sew girl's jumper, jumpsuit or overalls with skirt or pants gathered to bodice, buttoned straps and optional pockets.