Original Military buckles are painted within a purple/brown paint and so are comprised of round stock, the buckles with your specimen are stamped & painted black & Also the weave sample on the strapping seems to be much like U.S. created webbing and is not normal wartime Japanese webbing. https://taupe-denim-waistband-sol43234.actoblog.com/28916098/not-known-factual-statements-about-blue-contrast-cami-top-and-biker-shorts