Kaneyasu Masatoshi (or Masanaga, 1845-1908 or later) trained as a maker of sword-fittings before becoming independent. Two examples of his work are recorded in Edward Gilbertson, A Japanese Collection [The Tomkinson collection] (London, 1898), nos. 213 and 226. See also Oliver Impey and Malcolm Fairley (eds.), The Nasser D. Khalili, Collection of Japanese Art, vol. 2 (London, 1995), nos. 52-4, 80.