Index of Japanese Sword Literature v. 0.12, compiled by Grey Doffin. Hosted by The Japanese Sword Society of the United States : view entry number 2974 in 'Sword Smiths'

Yoshihira
吉平

Fukuoka Ichimonji
1249
YK667, MH96, N9,170,173, CS36, NK574-5, NJ247, TS444, SZ174, K169-70, MK21,41, BT127-8, NT2,71&118, TB48,L2*
Juyo 1,15/3,17

Index of Japanese Sword Literature compiled by Grey Doffin Hosted by the Japanese Sword Society of the United States