Signature:  Mumei, attributed to Mumei, attributed by the NTHK to Sagami (no) Kami Fujiwara Morinaga Nuudo.
Year Made: Shinto, approx. 1661 
Forging Pattern: Very active itame, 
Tempering Pattern: Active gunome midare.
Dimensions:  Blade Length:  27.5 inchesNakago: 7 inches 7 mm thick and 30 mm wide at Hamachi
Mountings:  Shirasaya
Overall Condition: Excellent, in recent polish.  This is a very nice elegant sword from the early shinto period.  It has also been issued Kanteisho (defined as "important work on Rich Stein's Nihonto site) papers by the N.T.H.K. with 74 (very good) points assigned, attesting to the quality of this sword. It is a long and graceful blade, which feels light in the hand.