Levi's original vintage made in USA 'big E' type III denim jacket. Tag size is faded out, but looks to be 48. 
Bigger size, which are hard to find, and especially in also a nice darker denim. 
Has some neatly done darning repairs on one of the sleeves. 
52 buttom stamp
 
Measurements
Shoulders 20 1/2 - 52cm
Pit to pit 25 1/4" - 64,5cm
Centre back length 23 3/4 - 60,5cm