The whitest and thinnest is the best. And when the hollow mold is quite clean, as when it is made of sulfur or baked cimolee, the paper comes out very clean. You can apply a layer or two of white, with a border of gold, to imitate alabaster. And after applying the white you may burnish it with a tooth. Yet in order for it to take burnish you should soak the lead white with egg white and peelings from the fig tree. Or better still, varnish your work with white varnish. Also while you are molding with paper, as it starts drying, burnish the back of it with the tooth.