Texan, your buckle is from a WWI gas mask bag. I have seen several different WWI US gas mask bags and the ones Ive seen all had that distinct arrow buckle. Note first pic in link WWI web belt. Gas mask bag scroll 5 down. http://www.hayesotoupalik.com/WW1 U.S. Field Equipment.htmTEXAN Connection said:Thanks all,, Im still trying to date the buckle.