Onin ten-zogan tsuba, Late Muromachi period.
Iron, brass, sukashi and ten-zōgan technique. Butterfly and dragonfly design. Reference to design has been found at “Japanese Swords and Tsuba from the Professor A. Z. Freeman and the Phyllis Sharpe Memorial collections”. Sotheby’s, London, Thursday 10 April 1997; p. 18, item 37: “pierced with two large formalised butterflies…” (see photo in Gallery Images).
Diameter: 88 mm, thickness at seppa-dai: 3.1 mm.