Vintage Military M-51 Field Jacket Size Medium/Large

Description

Military M-51 Field Jacket
Jacket was heavily worn.  Zipper doesn't work because it's missing a lot of teeth.
There are random holes and stains.  Right arm has huge dark staining.
There are 2 small seam tears by left shoulder.
Armpit to armpit measures about 22.5" - 23"
Shoulder to cuff is about 23.75"
Collar to bottom is about 32"
I believe the size may be a Medium or Large.
Please ask any questions before purchasing.