Vintage circa 1950s British workwear jacket.
 
Unlined white cotton stewards/ services jacket with patch pockets and tan change buttons to fasten. 
 
Minor signs of general wear, some minor marks, a few areas of feint discolouration.  The change buttons are slightly different shades of tan, some a bit marked. 
Laundered. 

16 1/4" seam to seam across the shoulders at the back
Sleeves are 25"  from the shoulder seam to the end of the sleeve
From nape to hem is 26 1/2"
18 1/4" across the chest under the arms, the same across the back, measured flat, side to side, pit to pit 
18  1/2" across at approx waist height
19 1/4" across at approx hip height (this is a man's jacket originally)   
Collar is 16 1/4" when buttoned up