The first by Masatsune Edo period (1615-1868), 17th/18th century The first, a russet-iron diamond-shaped plate, signed Masatsune; the second, a small oval sukashi tsuba pierced with a clock gear and confronted ginger roots, with a half-pipe rim; each with a wood tomobako storage box The first with Hozon Tosogu (Sword Fitting Worthy of Preserving) certificate no. 453228 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword), dated October 18, 2007 The second with Hozon Tosogu (Sword Fitting Worthy of Preserving) certificate no. 440424 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword), dated December 12, 2000 3in (7.5cm); 2 1/2in (6.3cm) high