Vintage US Army Vietnam War Era 1969 Olive Green OG107 Cotton sateen shirt

Vintage chest and collar patches
Fourth US Army shoulder patch
Button fastening 
Chest pockets
Button cuffs

Labelled size 15.5 x 31 it is best to compare the measurements against clothing you have to ensure a good fit.

Collar length 16.5"
Armpit to armpit 22"
Sleeve from armpit 20"
Length from shoulder to hem 28.5"