Vintage - Ladies rainbow ruffel top/ blouse sm/med

Ladies vintage blouse, found in Europe on shopping trip. Great piece for resort / holiday Condition is unworn.. except tiny little stain at edge of ruffle- see pic. No main label, only inside label with xtra btn, foreign script writing. (See pic) Fiber content unknown, Fabric has structure without being scratchy. Length: 20 1/2” Bust: 18 1/2” (37” circumference ) Sweep: 19 1/2” (39” circumference) Shoulder: edge of ruffle: 19” Shoulder width/ edge of armhole(under ruffle) 15 1/2”