Vintage Made in Canada (The tag is very old and very washed out) John W Nordstrom Loro Piana Wool Supper 110s' Sport Coat Grey Two Button Blazer Note the size tag is washed but a 25 Armpit to Armpit Measurement is equivalent to a 2X Size or 50 to 52 R.
Please compare the below measurements to your own garments for the perfect fit !
Measurement Approx. Lying Flat
Armpit to Armpit 25"
Shoulder to Hem 33"
Sleeve 24"
Shoulder to Shoulder 21
Sleeve Hem 1.5"