27.5 Inch Katana in Gunto Saya

Signature:  Minamoto Nobu ?
Year Made:  Koto-early Shinto
Forging Pattern: Hard to tell, mokume? 
Tempering Pattern: Gunome midare in nie
Dimensions:  Blade Length:  27.5 inchesNakago: 7.375 inches 7 mm thick and 29 mm wide at Hamachi
Mountings:  Silver foil "rain" patter habaki, '34 pattern shin-gunto saya in good condition.
Overall Condition:  Good. Long blade with light pitting, polisher's mei on shinogi-ji, indicates it was probably a good sword. Should polish very nicely.