The ring pommel attached to the iron sword is with Torimon kazari and inner bend, which is different from the straight swords typical of the early Kofun period in Japan, and so it is made in China (the Later Han) as the era name of Zhongping shows.
鉄刀に着けられていた環頭は鳥文飾りであり、内ぞりしていて、日本の前期古墳に特有の直刀とは違い、中平の年号が示すように中国（後漢）製である。