Hello Brian, no update yet on the Kyu Gunto, but just wanted you to know the bug bit me, recently purchased a beautiful Kai Gunto with a stainless blade in almost perfect shape at a gun show, when do the self help group sessions start??
I paid $400.00, think I really scored, I guess it all really just adds up to what the value is to the individual.
Been a little dissapointed on the lack of really good information on the internet, I have learned that the ratio between Shin and Kai is about one in three because as you had stated alot of them ended up at the bottom of the ocean, that the stainless blade is for the corrosive element, (guess they can't all be ancestrial blades!) But the blade is in really good condition, the tang has arsenal markings which I wouldn't mind posting to see if yourself or some other folks are familiar with them. Now to find that Shin Gunto, the colonial swords, the.......
One other note, I cleaned the blade with pure alcohol, havent dont the mineral oil yet, was a bit worried the procedure may be different with the stainless blade, should have checked before I even did the alcohol , I was showing it to a friend when before I could say dont touch the blade.. he wraps his oily mitts around it. Dadgummit!