1960's Navy and white dress

Early 1960's Navy and white polka dot dress. Great spring piece! Pretty collar that feeds thru a loop in front accented by a rhinestone button. Sheer polyester. Cuffed sleeves, button front, unlined, no label. I show it with a petticoat to show the fullness of the skirt. Armpit to armpit 21, 15 at waist. Good vintage condition, normal wear.