Stanley Blacker Jordan Marsh Gray Wool Blazer Sport Coat Jacket Gold Buttons

Stanley Blacker Jordan Marsh Gray Wool Blazer Sport Coat Jacket Gold Tone Buttons Vintage Union Label So size or material info that I can find. I believe it's wool, it's soft and almost feels like felt/flannel. Measures ~21 across pit to pit so will list as 42, but please see measurements in photos to ensure fit. One faint blemish on sleeve otherwise excellent condition see photos.