Noodler's 30 oz. glass bottle of Kung Te-Cheng fountain pen ink. This ink is known as the Emperer's ink similar to those from China, France and Rome. The color is deep blue with some purple hues closely simulating the royal ink.The ink is named after Kung Te-Chung, the 77th lineal descendent of Confucius. The ink maker of this ink was inspired by the ink used by the Emperor of China during the age of Confucius.