True Vintage Circa 1970's/1980's Purple Floral Sundress w/ Teal and Pink Accents

Bold purple dress with floral print. Thin shoulder straps and white piping along neckline. Multicolored floral motifs in teal, pink, and orange. Simple, feminine silhouette. There is no size on this but it's about 16 1/2" from underarm to underarm which Google says is about a size small.