This vintage swim suit mas made in the 1930s through mid 1940s by Jantzen. It’s blue ribbed wool and lastex. It has a white belt with a hammered silvertone buckle. There are two small moth bites on the right hip by the waistband. There is a flapped key pocket, and the front is lined.
Marked size: 36
Waist side to side (unstretched): 15″
Waist side to side (stretched): 18″
Side Seam: 9″