Hand guard; Tsuba in the shape of a Greek cross with three openwork petals between the arms; the four arms are decorated on both sides with characters in stamp script and symbols in flat inlays; signed 'umetada ko' (?).; Umetada; Japan; 1600 - 1800; Momoyama-period (1573-1615) / Edo-period (1600-1868); iron (metal); gold (metal); silver (metal); h 8.2 cm x w 8 cm