Vintage gingham sheath midi dress

Cute gingham sheath midi dress. Zipper in back; gold buttons down the left side. Two buttons are missing as shown in the last photo. Options include finding a similar button, moving the lowest button up to make a higher slit on the left side, or changing out the buttons. Union made in the USA. Polyester rayon blend. Fully lined. Recommends dry clean, but I hand washed and hung to dry. fits like a true size 4. Pit to pit laying flat measures 16 1/2 inches across. In the sunlight, it looks like a dark navy blue and white gingham; in dimmer light it looks like a black and white gingham. .