http://www.ebay.com/itm/281494822773
This jacket was made by Ralph Lauren under the Polo label. It is made of gray wool in a 1930s half-belt cossack work jacket style. The jacket is zipper front, with handwarmer pockets and a zipper breast pocket. The back is belted and yoked with side adjuster belts. The jacket has a tartan lining. With a 50″ chest, this would best fit someone in the size 44-46 range.

Chest (pit to pit): 25″ (doubled = 50″)
Shoulder to shoulder: 21″
Sleeve (shoulder to cuff): 26″
Length (Base of collar to hem): 29″