Vintage trench coat blue & black houndstooth pattern

Vintage union label Womens trench coat. Double breasted Machine washable. 2 large front pockets. Belted back; single pleat back; wide label; fully lined. No sizing, material, or makers label. Side breast darts. Wide cuffs on sleeves with accent buttons. In fantastic shape. I believe material is polyester blend. Coat is incredible! Shoulder to shoulder 17 in. Sleeve length 24. Black & blue houndstooth pattern on white