Vintage 70s light blue chambray vest top waistcoat

A vintage 70s light blue chambray vest style top with blue buttons. Has a bit of elastic in the middle of the back waist to help give a nice shape. Retro western boho vibes. Measurements (in inches, lying flat): -Length= 22 -Chest= 18 -Waist= 18 Brand: HER Petite Marked size 14. Should fit a modern medium best. Materials: 50% cotton, 50% polyester