This arrowhead tip (yajiri) is made of steel and is a triangular shape with two cutouts on the tip. The top cutout is circular and the bottom is of a sakura (cherry blossom). It has a short handle to insert into the arrow shaft. It is one of a set of five yajiri.
Ya (arrows) used in war by the samurai had a variety of tips (called yajiri or yanone). These arrowheads were forged using the same materials and methods as traditional Japanese swords and were often signed by the maker.