1990s 2-piece set, sleeveless & button down tops, marked S but fits like XS

Two vintage 90s tops that can be worn separately or together. Sleeveless v neck top with darts that radiate from the v. Button down top with collar and notched three quarters length sleeves. Marked S but they fit like XS. The mannequin’s measurements are 34/26/36, with a B cup. These tops fit her snugly and won’t fit larger. Very good gently used condition. No holes or stains. From a smoke free and pet free home.