Vtg Miss Elaine Summer Night Gown Smocking Flutter Sleeves Union USA Blue XS S

New with tags; smoke free. Has light age-related storage wear on the fabric - not excessive Union made tag - USA Polyester Semi-opoque Flutter sleeve Lace Smocking Tag says size small but vintage tends to runs small. Estimated as a size XS / S based on the measurements below: Arm pit to arm pit, laying flat - 16.5-17" Top of collar to bottom hem - 39"