Heavy duty paint stripper from local hardware store will do it.
Do a search on stripping the coating,there's alot of posts about it.
Just remember if you do to keep it oiled or waxed.
And don't forget the pics. <img src="/ubbthreads/images/graemlins/thumbup.gif" alt="" /> <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />