B&W Cut Out Back Dress

Black and white geometric print dress. Elastic waist. Scoop neck in front. V-neck in back, with triangle cut-out above waist. Single button closure in back above cut-out. 100% Rayon. Brand unknown. Measurements on one side when laid flat: Length about 31" from top of shoulder to hem. Underarm to underarm about 15.5". Hem about 25" wide. In excellent condition.