See what happens when you use the words 'meteorite' and 'dagger' in a thread title, Gene?
It had occured to me that pre-industrial iron would have a different (and more variable) chemical signature; I suspect it would not cause too much noise to obscure the extra-terrestrial signature over all the potential elements...there might be archaeological papers that have previous analyses on old keris, one could check them against modern steel & look for differences.
