Sag Harbor wide sleeve embellished top M

EUC to NWOT condition Sag Harbor wide sleeve embellished top in M. 20.5” across chest, shoulder & sleeve are one piece measuring 6.5” as shown, sleeve opening measure 15” as shown, the little gathered fitting at the bottom inside of the sleeve measures 4” across as shown, waist is 24” across. Vertical “wrinkles” are part of the design. Vivid white & fairly sheer. I don’t think this was ever worn, and if it was it shows no signs of it.