1937 Pattern Kai-Gunto with Ancestral Koto Blade

Signature: Mumei, O-suriage.
Year Made:  Late Koto
Forging Pattern: Too difficult to make out. 
Tempering Pattern: Active "wild" midare with much tobiyaki.
Dimensions:  Blade Length:  26.375 inchesNakago: 6.125 inches 6 mm thick and 30 mm wide at Hamachi
Mountings:  '37 pattern Kai-gunto mounts in decent condition, ito had come untied and was re-tied on the side of the kabutogane (see arrow in pics) Fittings have matching maker's marks and are in good condition, saya is black lacquered wood with two ashi, saya has dents and missing lacquer. There is a grooved pattern silver washed copper habaki. Overall in fairly good condition for mounts which are becoming rare.
Overall Condition:  Good, very active hamon with much activity in nie and many tobiyaki in the ji, Fine scratches make it hard to make out the hada. There are a few ware of various sizes and some pitting, the worst of which is above the kissaki on one side. Looks to be plenty of temper left for a full polish and this sword, with its wild temper would certainly stand out in full polish. The present polish is, however, good enough to enjoy as it is and most if not all of the activities in the temperline are visible as it is. It has a graceful Koto shape to it and that light and well balanced feel associated with it.