vintage girls smocked dress Polly Flinders style

vintage 80s smocked dress, Polly Flinders style (unbranded), waist tie belt, embroidered detail, stretchy bodice No label or tag size. See measurements to ensure fit. Estimating a size 12-18 months? Approximately 9.5”-11” armpit to armpit 10.5” across waist 16” shoulder to hem Good condition except for some small, light spots near the side. See photo.