Thanks!  It's a Tramontina bowie blade that my father bought from a flea market when I was too young to remember...that puts it at over 30 years old.  It's a 9.5" high carbon blade (specifics unknown).  I re-blued the blade and replaced the handle that he had on it with zebra wood, mosaic pins, and stacked leather as a spacer.  I figured with all that work, it needed a slightly nicer sheath!