AN OVAL SHAKUDO-NANAKOJI TSUBA, the rim decorated with two dragons among clouds in gilt and shakudo nikubori, each pursuing a central golden jewel, unsigned, possibly Yanagawa school, 18th century, 7.4cm.; and a circular iron tsuba decorated in nikubori with a dragon materializing in storm-tossed waves and thunderclouds, slight gilt detail, unsigned, 18th century, 7.9cm. (2)