I know a smith in New York who used to buy coal in 20 ton truck loads. Due to his locality the only coal he could get was the hard stuff. I mean if they left it under the ground for another day or two they would have been mining diamonds. He wanted the good stuff and the only way he could get it was by ordering large amounts of it. He also did not get coal, it was industrial coke bound for steel mills and blast furnaces. This stuff is what every blacksmith dreams of forging with. It burns as clean as your charcoal without the ash, but burns for much longer. If you have the means you could look into this and sell some with a mark up if you are ambitious enough.