Sax 5th 100% pure Cashmere cream button up sweater

Beautiful cashmere sweater from Sax fifth avenue. I believe it to be vintage because of tag but not positive. In excellent preowned condition. Pretty oyster pearl buttons. No moth holes. One tiny mark under arm on side. See photo. No size tag Measurements From arm pit to arm pit measures approximately 20” across From shoulder to bottom hem approximately 26”