http://www.ebay.com/itm/271465649111
This vintage swimsuit was made in the 1920s. it is made from dark blue wool, with a button fly, cotton lined waistband, buttoned, and flapped key/coin pocket.. This style of swimsuit was popular during the 1920s, and were generally worn with a white knit wool top with a closed “supporter” bottom.

Waist: 16″ (doubled = 32″)
Outseam: 14-1/2″ (outwardly sloping legs)
Inseam: 6″
Rise: 11″