entry from table Sword Smiths
Akihira
昭平
Miyairi, Living National Treasure
1935
GT11, JN27,4,6, JB23,5, N5,226, CA2,228, HH1,677-8/2,234-7, GD2-11, NS p, NX p, TS7-8, T226, KZ2, MJ19, NT5,332, See also Yukihira, Miyairi