VINTAGE boutique of Leathers blue suede duster coat jacket

Stunning vintage condition. The sleeves have a subtle pouf to them. One of the buttons has loose threads. Lining is mint. Pit to pit is 21 inches, waist is 18.5 inches, and shoulder to hem is 42-43 inches. Shoulder is 17 inches. Label says size 18, but vintage sizing runs a lot smaller.