bootyhound, I have probably talked to you previously about a product called Gemplers. This is a great product that treats the iron from the inside out and stops any further rusting, preserving the iron. The only thing is that when treated it will turn the iron black giving a nice sheen to the piece. The iron will have a dullish looking sheen to it, not a glossy finish. I believe that it not only preserves the piece, but enables you to see some fine detail. I used this on my Confetrit' 12 pounder cannon ball and my iron shell frag's and I thought they turned out nice looking. Some may like it and some not, but I was pleased with the results. You do have to wear gloves when applying this, and the iron at first turns a bluish color before turning black. Your process on treating your iron artifacts looks great. I just thought that if you had ever considered another treatment for certain pieces, that this could possibly be an option. If you think you might be interested I could shoot you a few pic's of some of my CW iron treated with this. I always like to be sure and tell folks that I am in no way affiliated with the Gemplers Co. Just a satisfied customer that tried their product and was pleased with the results. Keep up the good work