A Japanese sword (o-wakizashi)

A Japanese sword (o-wakizashi), blade 21.5 in, hon-zukuri, suguha-hamon, suriage-nakago with signature (Namban Tetsu Oite Bushu Edo Echizen Yasutsugu), horimono representing the Tokugawa mon now concealed under the gilt habaki; gilt highlighted iron tsuba depicting warriors in battle in openwork and low relief, mei to seppa-dai on both sides, shakudo fuchi and kashira with encrusted copper and gold decoration of warriors and horses, menuki in the form of dragons coiled around ken; saya covered with lacquer set with shells; kogatana with signature (Tadatsuna), kozuka set with two bats and a crescent moon in copper-gilt, shakudo and silver.