Signature: Echizen Ju Hyuga Daijo Fujiwara SadaTsugu
Year Made:  1600s
Forging Pattern: Itame
Tempering Pattern:  Suguha
Dimensions:   Nagasa:   25 9/16", Nakago:  8 3/8", Mihaba:  1 3/8", Sakihaba:  13/16", Kasane:  1/4", Sori:  3/16"  
Mountings:  The saya is in good condition except for one dent just above the kogiri.  The tsuka is solid with tight ito over nice same.  The habaki is one piece with silver plate. 
Overall Condition:  The blade is in nice condition with no kizu and minor staining, abrasions and scuffing.  There are scratch marks from the tip down about 8" that look like someone was try to remove rust but they are minor. Hyuga Daijo Sadatsugu was a well known smith from the Echizen Seki. He worked in the same style as the famous Shigetaka, and their blades were known for their cutting ability.