Vintage Swiss Polka Dot button Midi Dress blue

Adorable vintage navy blue mini Swiss polka dot midi dress. Slight drape waterfall design in the front, lined. Waist tie in the back. Mother of pearl style buttons. In excellent condition. No size tag, fits most like a medium in my opinion. Please see photos for measurements. Vibtage, prairie, boho, preppy, old money, classy, pretty woman.