*Minoru Sakamoto^1,2, Masataka Hakozaki¹, Takumi Mitsutani³, Takeshi Nakatsuka⁴, Nanae Nakao⁵, Misao Yokoyama⁶, Fuyuki Tokanai⁵ (1.National Museum of Japanese History, 2.The Graduate University for Advanced Studies, 3.Nara National Research Institute for Cultural Properties, 4.Nagoya University, 5.Yamagata University, 6.Kyoto University)