At roughly 2:55 in the following video, Lynn Thompson refers to a navaja that he made himself in Japan in 1983 or 1984. So we finally have clarification on the origin of this knife first exhibited in the now-defunct Cold Steel Forums. It may be "very crude" compared to an Espada, but it's pretty impressive for an early attempt at a handmade knife! -Steve P.S. - If that video doesn't make you want an XL Espada, I don't know what will!