Vintage 60s Floral Dress Women's Small Blue Border Print Acetate Thin Shift

Vintage 60s Floral Dress Women's Small Blue Border Print Acetate Thin Shift Dress is a pullover style and feels like its made of acetate the kind that linings are made of and I wonder if this was a dress meant to be worn under a matching dress coat. LABEL: - FABRIC: feels like acetate MARKED VINTAGE SIZE: - SHOULDERS: 14" BUST: 35" WAIST: 36" HIPS: 39" LENGTH: 39" CONDITION: great, see photos- missing stitches on shoulder seam, white print imperfection on hem, has a couple light spots that have not been spot treated PINNED TO MODEL?: no ☝For reference Mod's measurements are S 11", B 32.5", W 24", H 32.5"☝