This is a 1950s Rosemarie Reid swimsuit with an interesting neckline. It has boning in the bodice as well as a heavy duty back zipper and a couple of hook and eyes. The straps have 4 button holes so they can be adjusted or worn as a halter style. It is in great condition. There is no stains or wear in the crotch.
This is best for size X-small. The measurements are:
32-34" bust
23-26" waist
36" max hips