Hi Chuck
One of the problems of looking at Hikonebori work is that when it was popular the craftsmen of Aizu created many rather less well crafted tsuba to get in on the market. You have to be certain that you are looking at genuine work from Goshu. The best work of Soheishi Nuydo Soten is of a high standard and uses that love of the assymetric seen so much in Eastern art. You might like to look up one of Soten II's pupils, Kaneishi Nomura Kanenori, who worked also in kinko metal. I've attached 2 tsuba one by Soten and another by Kanenori.