Lot Essay
The blade appears to be by Ikkanshi Tadatsuna, although the re-working of the nakago seems to have changed the first character of the name "Tadatsuna"
Details
A WAKIZASHI BLADE, honzukuri, iorimune, chugisssaki and torii-zori with ko-itame hada almost entirely of chikei form, choji-midore hamon with some gonome, with ashi, many sunagashi and nie clusters, komaru boshi slightly hakkakeru and suriage nakago with two mekugi-ana, signed Awataguchi, the remainder cut off in shortening, late 17th Century 48.2 cm. long, in tsunoguchi shirasaya