A genuine World War 1 U.S. M1910 aluminum canteen, it's marked 'U.S. L.F. & C 1918' and was made by Landers, Frary & Clark, based in New Britain, Connecticut US. It's in good condition for its age with a few dents to font, and has its original top cap with attachment chain, and the original cork cap end is still inside the canteen.