Otay, I've got it now. I did find some iron that was 1/2 " thick, but they were small pieces. I haven't cleaned them yet. Obviously I cleaned the wrong iron, but not really because this is one of the battlefields/forts my ggrandfather helped to build/defend in 1861. He was in the NC 7th Infantry, and it was an honor to walk the same grounds, and even better to bring home a little something from the field. I dug an Eagle button, other buttons, some 3 ring minis, a trace and other goodies. I'll mark these3 pieces as cookwear or the likes. Thanks for everyone's help. Breezie