Kanesada Lineage. An Iwashiro Wakizashi in Mounts. Edo period (1615-1868), dated 1866. Modified hirazukuri configuration with the middle section cut on a sharp bevel to the mune, similar to an u-no-kubi-zukuri configuration. Forged in itame hada with a gunome tempered edge ending in a ko-maru bōshi with hakikake. Both sides chiseled with gomabashi. The ubu tang with one hole, sujikai file marks, signed Izumi no kami Kanesada, and dated Keiō ninen hachigatsu no hi.