Porcelain single operation. In this process, "green" (unfired) ceramic wares are heated to high temperatures in a kiln to permanently set their shapes. Porcelain is fired at a higher temperature than earthenware so that the body can vitrify and become non-porous. Porcelain originated in China, and it took a long time to reach the modern material. Until recent times, almost all East Asian porcelain was of the hard-paste type. There is no precise date to separate the production of proto-porcelain from that of porcelain. Although proto-porcelain wares exist dating from the Shang dynasty (1600–1046 BC), by the time of the Eastern
Edmé Samson what reason the Samson marks might have been removed. However, during the same period, other companies, such as Jacob Petit of Fontainebleau, were producing reproductions similar to those created by the Samson firm. In Hungary the Herend company produced famille rose pieces and armorial plates. However, unlike the Samson firm’s marks, Herend utilized both impressed marks and painted ones, which cannot be erased or removed. The Samson, Edmé et Cie company continued to produce porcelain and pottery until 1969. The salesroom models were sold in 1979 by Christie's, London. Today many of the Samson’s pieces are collectors’ items. Ironically not