VTG Jona Swing Dress 42/S Beige Wool Front Button Short Sleeve Flare Belted

Color is beige/taupe. Tagged size 42, which correspond to a US S. No material tag. Based on touch it feels like a wool blend. This swing dress has some light yellow hue at both armpits that are hardly visible & a small stain at one cuff, see last 3 pics. Flat: shoulder to shoulder 15", pit to pit 18", waist 14", length 45", length of sleeves from underarm 10". Please compare these measurements to that of your own clothing to ensure proper fit. From a smoke free environment.