Well, I spent half the day searching my old threads here of the years to no avail. In any case, this subject won't ever be closed because this piece is indeed an ersatz sword. I still think it is a cutlass-type for maritime use, but we sometimes see what we want to see, right?
Here are a couple of old threads, however, dealing with Spanish colonial, African colonial and Spanish-Filipino examples of such swords that I spoke of...
http://www.vikingsword.com/vb/showth...hanger+Spanish
http://www.vikingsword.com/vb/showth...spanish+dagger
http://www.vikingsword.com/vb/showth...+chinese+sword