Katana in Shirasaya, with Koshirae(NBTHK Hozon paper) Signature : Geihan Minamoto Masamitsu (Around Tempo Era 1830-1844) (We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku) This Geihan Minamoto Masamitsu belongs to Jyosaku ranking. The ...