Vintage 1950s Bowling Shirt
Made in the USA by Nat Nast. 
 
Features ‘H’ chainstitch to chest, back motif and chest pocket. 
This shirt has a few flaws including mend, frayed seam, wear to button hole etc…
Measurements
 
I would estimate this shirt to fit a modern Size S, depending on required fit but please read measurements below:
 
P-p 22”
Length 29”