Christian Dior two-piece matching nightgown & robe set (one size)

Christian Dior two piece matching nightgown & robe set?? in amazing vintage condition, unknown sizeModel is 5'8 and wears size XS (US 0)beautiful floral silky setbutton up gownrobe with pockets, ties & sashmissing button at very top of gown, small hole in seem but unnoticeableflaws pictureddeadstocksaks fifth avenue.