Vintage 1950s-60s indigo blue cotton shirt. 
 
Sourced in France but could also be from another part of Europe. Looks to be originally military/ services issue but has been repaired at some stage and repurposed for civilian use.
 
Being sold "as is", showing original patching and hand repairs
 
Marked 40 MM in the collar- please refer to the measurements below.
 
Dark blue with button through fastening, buttoned cuffs. The collar has been patched and made into an open rever camp style collar.  The cuffs show wear, mainly on the inside where the edges are frayed and one is patched- see photos.  There's a patch at the back, some small scattered nip holes and a hand darned repair at the back. Frayed at the collar tips and front edge.  Mismatched buttons.
 
 
Laundered. 
 
Seam to seam across the shoulders at the back is 18 3/4"
Sleeves are 22 3/4"  from shoulder seam to cuff
From nape to hem is  321/4" 
Across the chest under the arms is 22 1/2" -  pit to pit, across the front