shop › Facet flat white cup 7 Image 1 of 2 Image 2 of 2 Facet flat white cup 7 $50.00 sold out Wild clay and stoneware blend, shino glaze, woodfired to 1,300 degrees in the catenary arch kiln for 30 hours. Sold Out Added! Wild clay and stoneware blend, shino glaze, woodfired to 1,300 degrees in the catenary arch kiln for 30 hours.