Vintage 60s Stacy Ames union made blue dress 6S

No material tag but feels like cotton. No stretch. Has a blemish on front, see photo 6. Otherwise excellent vintage condition. No size tag but fits like small equivalent to 6, see measurements for proper fit. Approximate measurements laid flat: shoulder 13”, bust 15”, waist 13”, hips 18”, length 35” I32-6110