Try acid etching (==> google).
Ookami
Right on, here is what I needed:
http://www.makersgallery.com/goss/etch.html
Looks like this will do the trick better and more simply than an electrochemical rig. Decision for me will be to 1) put the resist on the lettering, etching the rest of the hawk head so the lettering stands out, or 2) cover all of the hawk head with resist except for the lettering area, so the letters are eteched into the steel. I think I'll mess with an old hatchet first and see how it goes.