Original army buckles are painted in the red/brown paint and so are produced from spherical stock, the buckles in your specimen are stamped & painted black & Moreover the weave sample on the strapping seems to be comparable to U.S. produced webbing and is not regular wartime Japanese webbing. https://malibu-overlap-tank-top-a87531.dreamyblogs.com/28700035/the-wyatt-canteen-non-fringe-a-haute-southern-hyde-options