Among all the production, the Pichon specialty undoubtedly remains mixed soils, the exact date of their appearance is uncertain. A unique mixture of colored earth in the mass giving the effect of marble with multicolored veins, the oldest have only three colors: white, red and black. Green, obtained thanks to the addition of copper oxide, and blue, resulting from the addition of cobalt fry, appear during the third quarter of the 19th century. The added floral decorations will follow.