Lot Essay
For the artist of the second see Robert E. Haynes, The Index of Japanese Sword Fittings and Associated Artists, (Ellwangen, 2001), 3 volumes, p.2369, no.12340
For the signature of the second see K. Kokubo, Shinsen Kinko Meikan, (Tokyo, 1993), p.472
For the signature of the second see K. Kokubo, Shinsen Kinko Meikan, (Tokyo, 1993), p.472