Retrofete White Beaded Corset Maxi Dress Strapless Satin Size XS? Train

Retrofete White Beaded Corset Maxi Dress Size XS based on measurements Has large thigh slit No size or fabric tag Feels like it could be silk but not 100% sure Corset top is semi sheer Corset has boning Bust measures approximately 26" Waist measures approximately 23" Length measures approximately 63" but with train add more inches Lots of staining throughout - looks like dirt so will need to be drycleaned - mostly on the train but some spots elsewhere