Someone here outed an auction for a Nishiki Colorado on eBay in Germany awhile back (pic below). Looks to be the same design as your Kodiak with a double bend in the chainstays. Forks look to be identical as well with a bend halfway down the fork legs and a decal to the side of the brake bosses. I don't see any of those elements on USA-branded Nishiki e-stays.
I see the decal for the name of the Bike has the same type of upside-down double-triangle design as Roy's Barbarians and Mystics. Perhaps the Kodiak and the Colorado, with their unique geometry, are Nishiki e-stays aimed at the European market, much like how the Barbarians and Mystics (with their own unique geometry) appear to be specific to Canada.
In any case, Good Score! I'm sure there aren't many of those in existence. (*sigh*) Just when I think I have one of every type of Nishiki e-stay ever made, ANOTHER one comes along to taunt me!
Ooh! ...almost forgot: DIBS IF YOU DECIDE TO SELL!! (ha ha! beat you to the punch, Roy!
Life! Life, do you hear me?! Give my creation LI-I-IFE!