Dress Long Sleeved Black Size

Black dress No tags so I am unsure of brand. Measures to a small. Please see measurements provided below to ensure fit. Long sleeved Keyhole front. Soft and cozy. Midi length. There are loops for a small belt but the belt is MIA. Tiny hole in the back of the neck (see photos). 95% viscose, 5% elastane In good, used shape. No stains or flaws Measurements (Approx - Laid Flat): Bust - 16.5” (stretchy) Length - 36” Waist - 16”