1960's abstract floral button down polyester collared blouse

For sale is a beautiful vintage button down collared blouse with an abstract floral pattern in red and blue colors over an ivory background with a string that ties around the waist. No brand tag. 100% Polyester. Marked size 14, runs smaller, please see measurements for proper fit. Beautiful condition! Measurements (flat): Sleeve length: 24" Armpit to armpit: 18" Shoulder to shoulder: 15" Overall shoulder to hem length: 27" EB2